316.11% is the change from 149 to 620
Calculation steps:
[( 620 - 149 ) ÷ 149] x 100 = 316.11%
Formula
Percentage change = [(620 - 149) / 149] x 100
Subtract the new number by the original number
620 - 149 = 471
471 ÷ 149 = 3.161073825503356
3.161073825503356 x 100 = 316.11%