355.17% is the change from 145 to 660
Calculation steps:
[( 660 - 145 ) ÷ 145] x 100 = 355.17%
Formula
Percentage change = [(660 - 145) / 145] x 100
Subtract the new number by the original number
660 - 145 = 515
515 ÷ 145 = 3.5517241379310347
3.5517241379310347 x 100 = 355.17%