28.71% is the change from 620 to 798
Calculation steps:
[( 798 - 620 ) ÷ 620] x 100 = 28.71%
Formula
Percentage change = [(798 - 620) / 620] x 100
Subtract the new number by the original number
798 - 620 = 178
178 ÷ 620 = 0.2870967741935484
0.2870967741935484 x 100 = 28.71%