-71.75% is the change from 577 to 163
Calculation steps:
[( 163 - 577 ) ÷ 577] x 100 = -71.75%
Formula
Percentage change = [(163 - 577) / 577] x 100
Subtract the new number by the original number
163 - 577 = -414
-414 ÷ 577 = -0.7175043327556326
-0.7175043327556326 x 100 = -71.75%