310.6% is the change from 151 to 620
Calculation steps:
[( 620 - 151 ) ÷ 151] x 100 = 310.6%
Formula
Percentage change = [(620 - 151) / 151] x 100
Subtract the new number by the original number
620 - 151 = 469
469 ÷ 151 = 3.1059602649006623
3.1059602649006623 x 100 = 310.6%