37.72% is the change from 464 to 639
Calculation steps:
[( 639 - 464 ) ÷ 464] x 100 = 37.72%
Formula
Percentage change = [(639 - 464) / 464] x 100
Subtract the new number by the original number
639 - 464 = 175
175 ÷ 464 = 0.3771551724137931
0.3771551724137931 x 100 = 37.72%