10.96% is the change from 520 to 577
Calculation steps:
[( 577 - 520 ) ÷ 520] x 100 = 10.96%
Formula
Percentage change = [(577 - 520) / 520] x 100
Subtract the new number by the original number
577 - 520 = 57
57 ÷ 520 = 0.10961538461538461
0.10961538461538461 x 100 = 10.96%