50% is the change from 622 to 933
Calculation steps:
[( 933 - 622 ) ÷ 622] x 100 = 50%
Formula
Percentage change = [(933 - 622) / 622] x 100
Subtract the new number by the original number
933 - 622 = 311
311 ÷ 622 = 0.5
0.5 x 100 = 50%
Example