320.56% is the change from 180 to 757
Calculation steps:
[( 757 - 180 ) ÷ 180] x 100 = 320.56%
Formula
Percentage change = [(757 - 180) / 180] x 100
Subtract the new number by the original number
757 - 180 = 577
577 ÷ 180 = 3.2055555555555557
3.2055555555555557 x 100 = 320.56%