31.2% is the change from 577 to 757
Calculation steps:
[( 757 - 577 ) ÷ 577] x 100 = 31.2%
Formula
Percentage change = [(757 - 577) / 577] x 100
Subtract the new number by the original number
757 - 577 = 180
180 ÷ 577 = 0.3119584055459272
0.3119584055459272 x 100 = 31.2%