27.05% is the change from 621 to 789
Calculation steps:
[( 789 - 621 ) ÷ 621] x 100 = 27.05%
Formula
Percentage change = [(789 - 621) / 621] x 100
Subtract the new number by the original number
789 - 621 = 168
168 ÷ 621 = 0.27053140096618356
0.27053140096618356 x 100 = 27.05%