11.3% is the change from 575 to 640
Calculation steps:
[( 640 - 575 ) ÷ 575] x 100 = 11.3%
Formula
Percentage change = [(640 - 575) / 575] x 100
Subtract the new number by the original number
640 - 575 = 65
65 ÷ 575 = 0.11304347826086956
0.11304347826086956 x 100 = 11.3%