39.96% is the change from 503 to 704
Calculation steps:
[( 704 - 503 ) ÷ 503] x 100 = 39.96%
Formula
Percentage change = [(704 - 503) / 503] x 100
Subtract the new number by the original number
704 - 503 = 201
201 ÷ 503 = 0.3996023856858847
0.3996023856858847 x 100 = 39.96%