25.6% is the change from 621 to 780
Calculation steps:
[( 780 - 621 ) ÷ 621] x 100 = 25.6%
Formula
Percentage change = [(780 - 621) / 621] x 100
Subtract the new number by the original number
780 - 621 = 159
159 ÷ 621 = 0.2560386473429952
0.2560386473429952 x 100 = 25.6%