7.45% is the change from 537 to 577
Calculation steps:
[( 577 - 537 ) ÷ 537] x 100 = 7.45%
Formula
Percentage change = [(577 - 537) / 537] x 100
Subtract the new number by the original number
577 - 537 = 40
40 ÷ 537 = 0.074487895716946
0.074487895716946 x 100 = 7.45%