-87.17% is the change from 943 to 121
Calculation steps:
[( 121 - 943 ) ÷ 943] x 100 = -87.17%
Formula
Percentage change = [(121 - 943) / 943] x 100
Subtract the new number by the original number
121 - 943 = -822
-822 ÷ 943 = -0.8716861081654295
-0.8716861081654295 x 100 = -87.17%