49.4% is the change from 504 to 753
Calculation steps:
[( 753 - 504 ) ÷ 504] x 100 = 49.4%
Formula
Percentage change = [(753 - 504) / 504] x 100
Subtract the new number by the original number
753 - 504 = 249
249 ÷ 504 = 0.49404761904761907
0.49404761904761907 x 100 = 49.4%