-48.83% is the change from 557 to 285
Calculation steps:
[( 285 - 557 ) ÷ 557] x 100 = -48.83%
Formula
Percentage change = [(285 - 557) / 557] x 100
Subtract the new number by the original number
285 - 557 = -272
-272 ÷ 557 = -0.4883303411131059
-0.4883303411131059 x 100 = -48.83%