-78.27% is the change from 787 to 171
Calculation steps:
[( 171 - 787 ) ÷ 787] x 100 = -78.27%
Formula
Percentage change = [(171 - 787) / 787] x 100
Subtract the new number by the original number
171 - 787 = -616
-616 ÷ 787 = -0.7827191867852605
-0.7827191867852605 x 100 = -78.27%