71.6% is the change from 331 to 568
Calculation steps:
[( 568 - 331 ) ÷ 331] x 100 = 71.6%
Formula
Percentage change = [(568 - 331) / 331] x 100
Subtract the new number by the original number
568 - 331 = 237
237 ÷ 331 = 0.716012084592145
0.716012084592145 x 100 = 71.6%