323.87% is the change from 155 to 657
Calculation steps:
[( 657 - 155 ) ÷ 155] x 100 = 323.87%
Formula
Percentage change = [(657 - 155) / 155] x 100
Subtract the new number by the original number
657 - 155 = 502
502 ÷ 155 = 3.238709677419355
3.238709677419355 x 100 = 323.87%