-78.17% is the change from 788 to 172
Calculation steps:
[( 172 - 788 ) ÷ 788] x 100 = -78.17%
Formula
Percentage change = [(172 - 788) / 788] x 100
Subtract the new number by the original number
172 - 788 = -616
-616 ÷ 788 = -0.7817258883248731
-0.7817258883248731 x 100 = -78.17%