Number Series Explanation 1 - Monotonous Series

This explanation is part of the Practice pack

checkmark
Access to all explanations and questions
checkmark
All 100+ practice tests, including with time limit
checkmark
All categories ( including number series )
checkmark
Single payment of € 29.95 (no subscription) for 60 days

What is the next number in this sequence?

image/svg+xml -20 -45 -76 -113 ?
Back to numerical reasoning - number series