-53.5% is the change from 557 to 259
Calculation steps:
[( 259 - 557 ) ÷ 557] x 100 = -53.5%
Formula
Percentage change = [(259 - 557) / 557] x 100
Subtract the new number by the original number
259 - 557 = -298
-298 ÷ 557 = -0.5350089766606823
-0.5350089766606823 x 100 = -53.5%