54.5% is the change from 622 to 961
Calculation steps:
[( 961 - 622 ) ÷ 622] x 100 = 54.5%
Formula
Percentage change = [(961 - 622) / 622] x 100
Subtract the new number by the original number
961 - 622 = 339
339 ÷ 622 = 0.545016077170418
0.545016077170418 x 100 = 54.5%