83.23% is the change from 310 to 568
Calculation steps:
[( 568 - 310 ) ÷ 310] x 100 = 83.23%
Formula
Percentage change = [(568 - 310) / 310] x 100
Subtract the new number by the original number
568 - 310 = 258
258 ÷ 310 = 0.832258064516129
0.832258064516129 x 100 = 83.23%