-87.1% is the change from 791 to 102
Calculation steps:
[( 102 - 791 ) ÷ 791] x 100 = -87.1%
Formula
Percentage change = [(102 - 791) / 791] x 100
Subtract the new number by the original number
102 - 791 = -689
-689 ÷ 791 = -0.8710493046776233
-0.8710493046776233 x 100 = -87.1%