21.9% is the change from 621 to 757
Calculation steps:
[( 757 - 621 ) ÷ 621] x 100 = 21.9%
Formula
Percentage change = [(757 - 621) / 621] x 100
Subtract the new number by the original number
757 - 621 = 136
136 ÷ 621 = 0.21900161030595813
0.21900161030595813 x 100 = 21.9%