-75.4% is the change from 557 to 137
Calculation steps:
[( 137 - 557 ) ÷ 557] x 100 = -75.4%
Formula
Percentage change = [(137 - 557) / 557] x 100
Subtract the new number by the original number
137 - 557 = -420
-420 ÷ 557 = -0.7540394973070018
-0.7540394973070018 x 100 = -75.4%