-49.19% is the change from 557 to 283
Calculation steps:
[( 283 - 557 ) ÷ 557] x 100 = -49.19%
Formula
Percentage change = [(283 - 557) / 557] x 100
Subtract the new number by the original number
283 - 557 = -274
-274 ÷ 557 = -0.4919210053859964
-0.4919210053859964 x 100 = -49.19%