96.13% is the change from 284 to 557
Calculation steps:
[( 557 - 284 ) ÷ 284] x 100 = 96.13%
Formula
Percentage change = [(557 - 284) / 284] x 100
Subtract the new number by the original number
557 - 284 = 273
273 ÷ 284 = 0.9612676056338029
0.9612676056338029 x 100 = 96.13%