329.03% is the change from 155 to 665
Calculation steps:
[( 665 - 155 ) ÷ 155] x 100 = 329.03%
Formula
Percentage change = [(665 - 155) / 155] x 100
Subtract the new number by the original number
665 - 155 = 510
510 ÷ 155 = 3.2903225806451615
3.2903225806451615 x 100 = 329.03%