-71.45% is the change from 557 to 159
Calculation steps:
[( 159 - 557 ) ÷ 557] x 100 = -71.45%
Formula
Percentage change = [(159 - 557) / 557] x 100
Subtract the new number by the original number
159 - 557 = -398
-398 ÷ 557 = -0.7145421903052065
-0.7145421903052065 x 100 = -71.45%