-87.31% is the change from 788 to 100
Calculation steps:
[( 100 - 788 ) ÷ 788] x 100 = -87.31%
Formula
Percentage change = [(100 - 788) / 788] x 100
Subtract the new number by the original number
100 - 788 = -688
-688 ÷ 788 = -0.8730964467005076
-0.8730964467005076 x 100 = -87.31%