-86.6% is the change from 955 to 128
Calculation steps:
[( 128 - 955 ) ÷ 955] x 100 = -86.6%
Formula
Percentage change = [(128 - 955) / 955] x 100
Subtract the new number by the original number
128 - 955 = -827
-827 ÷ 955 = -0.8659685863874346
-0.8659685863874346 x 100 = -86.6%