87.92% is the change from 331 to 622
Calculation steps:
[( 622 - 331 ) ÷ 331] x 100 = 87.92%
Formula
Percentage change = [(622 - 331) / 331] x 100
Subtract the new number by the original number
622 - 331 = 291
291 ÷ 331 = 0.879154078549849
0.879154078549849 x 100 = 87.92%