-86.3% is the change from 883 to 121
Calculation steps:
[( 121 - 883 ) ÷ 883] x 100 = -86.3%
Formula
Percentage change = [(121 - 883) / 883] x 100
Subtract the new number by the original number
121 - 883 = -762
-762 ÷ 883 = -0.8629671574178935
-0.8629671574178935 x 100 = -86.3%