-78.16% is the change from 783 to 171
Calculation steps:
[( 171 - 783 ) ÷ 783] x 100 = -78.16%
Formula
Percentage change = [(171 - 783) / 783] x 100
Subtract the new number by the original number
171 - 783 = -612
-612 ÷ 783 = -0.7816091954022989
-0.7816091954022989 x 100 = -78.16%