337.75% is the change from 151 to 661
Calculation steps:
[( 661 - 151 ) ÷ 151] x 100 = 337.75%
Formula
Percentage change = [(661 - 151) / 151] x 100
Subtract the new number by the original number
661 - 151 = 510
510 ÷ 151 = 3.377483443708609
3.377483443708609 x 100 = 337.75%