-39.46% is the change from 920 to 557
Calculation steps:
[( 557 - 920 ) ÷ 920] x 100 = -39.46%
Formula
Percentage change = [(557 - 920) / 920] x 100
Subtract the new number by the original number
557 - 920 = -363
-363 ÷ 920 = -0.39456521739130435
-0.39456521739130435 x 100 = -39.46%