-60.5% is the change from 557 to 220
Calculation steps:
[( 220 - 557 ) ÷ 557] x 100 = -60.5%
Formula
Percentage change = [(220 - 557) / 557] x 100
Subtract the new number by the original number
220 - 557 = -337
-337 ÷ 557 = -0.6050269299820467
-0.6050269299820467 x 100 = -60.5%