327.59% is the change from 145 to 620
Calculation steps:
[( 620 - 145 ) ÷ 145] x 100 = 327.59%
Formula
Percentage change = [(620 - 145) / 145] x 100
Subtract the new number by the original number
620 - 145 = 475
475 ÷ 145 = 3.2758620689655173
3.2758620689655173 x 100 = 327.59%