150.56% is the change from 180 to 451
Calculation steps:
[( 451 - 180 ) ÷ 180] x 100 = 150.56%
Formula
Percentage change = [(451 - 180) / 180] x 100
Subtract the new number by the original number
451 - 180 = 271
271 ÷ 180 = 1.5055555555555555
1.5055555555555555 x 100 = 150.56%