-84.51% is the change from 781 to 121
Calculation steps:
[( 121 - 781 ) ÷ 781] x 100 = -84.51%
Formula
Percentage change = [(121 - 781) / 781] x 100
Subtract the new number by the original number
121 - 781 = -660
-660 ÷ 781 = -0.8450704225352113
-0.8450704225352113 x 100 = -84.51%