-87.13% is the change from 940 to 121
Calculation steps:
[( 121 - 940 ) ÷ 940] x 100 = -87.13%
Formula
Percentage change = [(121 - 940) / 940] x 100
Subtract the new number by the original number
121 - 940 = -819
-819 ÷ 940 = -0.8712765957446809
-0.8712765957446809 x 100 = -87.13%