-39.26% is the change from 917 to 557
Calculation steps:
[( 557 - 917 ) ÷ 917] x 100 = -39.26%
Formula
Percentage change = [(557 - 917) / 917] x 100
Subtract the new number by the original number
557 - 917 = -360
-360 ÷ 917 = -0.3925845147219193
-0.3925845147219193 x 100 = -39.26%