71% is the change from 331 to 566
Calculation steps:
[( 566 - 331 ) ÷ 331] x 100 = 71%
Formula
Percentage change = [(566 - 331) / 331] x 100
Subtract the new number by the original number
566 - 331 = 235
235 ÷ 331 = 0.7099697885196374
0.7099697885196374 x 100 = 71%