260.56% is the change from 180 to 649
Calculation steps:
[( 649 - 180 ) ÷ 180] x 100 = 260.56%
Formula
Percentage change = [(649 - 180) / 180] x 100
Subtract the new number by the original number
649 - 180 = 469
469 ÷ 180 = 2.6055555555555556
2.6055555555555556 x 100 = 260.56%