7.83% is the change from 575 to 620
Calculation steps:
[( 620 - 575 ) ÷ 575] x 100 = 7.83%
Formula
Percentage change = [(620 - 575) / 575] x 100
Subtract the new number by the original number
620 - 575 = 45
45 ÷ 575 = 0.0782608695652174
0.0782608695652174 x 100 = 7.83%