15.32% is the change from 620 to 715
Calculation steps:
[( 715 - 620 ) ÷ 620] x 100 = 15.32%
Formula
Percentage change = [(715 - 620) / 620] x 100
Subtract the new number by the original number
715 - 620 = 95
95 ÷ 620 = 0.1532258064516129
0.1532258064516129 x 100 = 15.32%