-51.17% is the change from 557 to 272
Calculation steps:
[( 272 - 557 ) ÷ 557] x 100 = -51.17%
Formula
Percentage change = [(272 - 557) / 557] x 100
Subtract the new number by the original number
272 - 557 = -285
-285 ÷ 557 = -0.5116696588868941
-0.5116696588868941 x 100 = -51.17%