-87.11% is the change from 931 to 120
Calculation steps:
[( 120 - 931 ) ÷ 931] x 100 = -87.11%
Formula
Percentage change = [(120 - 931) / 931] x 100
Subtract the new number by the original number
120 - 931 = -811
-811 ÷ 931 = -0.8711063372717508
-0.8711063372717508 x 100 = -87.11%