39.92% is the change from 501 to 701
Calculation steps:
[( 701 - 501 ) ÷ 501] x 100 = 39.92%
Formula
Percentage change = [(701 - 501) / 501] x 100
Subtract the new number by the original number
701 - 501 = 200
200 ÷ 501 = 0.3992015968063872
0.3992015968063872 x 100 = 39.92%