-10.99% is the change from 955 to 850
Calculation steps:
[( 850 - 955 ) ÷ 955] x 100 = -10.99%
Formula
Percentage change = [(850 - 955) / 955] x 100
Subtract the new number by the original number
850 - 955 = -105
-105 ÷ 955 = -0.1099476439790576
-0.1099476439790576 x 100 = -10.99%