20.48% is the change from 620 to 747
Calculation steps:
[( 747 - 620 ) ÷ 620] x 100 = 20.48%
Formula
Percentage change = [(747 - 620) / 620] x 100
Subtract the new number by the original number
747 - 620 = 127
127 ÷ 620 = 0.20483870967741935
0.20483870967741935 x 100 = 20.48%