54.94% is the change from 557 to 863
Calculation steps:
[( 863 - 557 ) ÷ 557] x 100 = 54.94%
Formula
Percentage change = [(863 - 557) / 557] x 100
Subtract the new number by the original number
863 - 557 = 306
306 ÷ 557 = 0.5493716337522442
0.5493716337522442 x 100 = 54.94%