40.91% is the change from 440 to 620
Calculation steps:
[( 620 - 440 ) ÷ 440] x 100 = 40.91%
Formula
Percentage change = [(620 - 440) / 440] x 100
Subtract the new number by the original number
620 - 440 = 180
180 ÷ 440 = 0.4090909090909091
0.4090909090909091 x 100 = 40.91%