49.9% is the change from 501 to 751
Calculation steps:
[( 751 - 501 ) ÷ 501] x 100 = 49.9%
Formula
Percentage change = [(751 - 501) / 501] x 100
Subtract the new number by the original number
751 - 501 = 250
250 ÷ 501 = 0.499001996007984
0.499001996007984 x 100 = 49.9%