24.8% is the change from 621 to 775
Calculation steps:
[( 775 - 621 ) ÷ 621] x 100 = 24.8%
Formula
Percentage change = [(775 - 621) / 621] x 100
Subtract the new number by the original number
775 - 621 = 154
154 ÷ 621 = 0.24798711755233493
0.24798711755233493 x 100 = 24.8%