49.6% is the change from 502 to 751
Calculation steps:
[( 751 - 502 ) ÷ 502] x 100 = 49.6%
Formula
Percentage change = [(751 - 502) / 502] x 100
Subtract the new number by the original number
751 - 502 = 249
249 ÷ 502 = 0.4960159362549801
0.4960159362549801 x 100 = 49.6%