84.16% is the change from 303 to 558
Calculation steps:
[( 558 - 303 ) ÷ 303] x 100 = 84.16%
Formula
Percentage change = [(558 - 303) / 303] x 100
Subtract the new number by the original number
558 - 303 = 255
255 ÷ 303 = 0.8415841584158416
0.8415841584158416 x 100 = 84.16%