-78.22% is the change from 785 to 171
Calculation steps:
[( 171 - 785 ) ÷ 785] x 100 = -78.22%
Formula
Percentage change = [(171 - 785) / 785] x 100
Subtract the new number by the original number
171 - 785 = -614
-614 ÷ 785 = -0.7821656050955414
-0.7821656050955414 x 100 = -78.22%