-87.33% is the change from 955 to 121
Calculation steps:
[( 121 - 955 ) ÷ 955] x 100 = -87.33%
Formula
Percentage change = [(121 - 955) / 955] x 100
Subtract the new number by the original number
121 - 955 = -834
-834 ÷ 955 = -0.8732984293193717
-0.8732984293193717 x 100 = -87.33%