49.68% is the change from 622 to 931
Calculation steps:
[( 931 - 622 ) ÷ 622] x 100 = 49.68%
Formula
Percentage change = [(931 - 622) / 622] x 100
Subtract the new number by the original number
931 - 622 = 309
309 ÷ 622 = 0.4967845659163987
0.4967845659163987 x 100 = 49.68%