39.72% is the change from 501 to 700
Calculation steps:
[( 700 - 501 ) ÷ 501] x 100 = 39.72%
Formula
Percentage change = [(700 - 501) / 501] x 100
Subtract the new number by the original number
700 - 501 = 199
199 ÷ 501 = 0.3972055888223553
0.3972055888223553 x 100 = 39.72%