-15.86% is the change from 662 to 557
Calculation steps:
[( 557 - 662 ) ÷ 662] x 100 = -15.86%
Formula
Percentage change = [(557 - 662) / 662] x 100
Subtract the new number by the original number
557 - 662 = -105
-105 ÷ 662 = -0.15861027190332327
-0.15861027190332327 x 100 = -15.86%