272.22% is the change from 180 to 670
Calculation steps:
[( 670 - 180 ) ÷ 180] x 100 = 272.22%
Formula
Percentage change = [(670 - 180) / 180] x 100
Subtract the new number by the original number
670 - 180 = 490
490 ÷ 180 = 2.7222222222222223
2.7222222222222223 x 100 = 272.22%