350% is the change from 146 to 657
Calculation steps:
[( 657 - 146 ) ÷ 146] x 100 = 350%
Formula
Percentage change = [(657 - 146) / 146] x 100
Subtract the new number by the original number
657 - 146 = 511
511 ÷ 146 = 3.5
3.5 x 100 = 350%
Example