44.73% is the change from 503 to 728
Calculation steps:
[( 728 - 503 ) ÷ 503] x 100 = 44.73%
Formula
Percentage change = [(728 - 503) / 503] x 100
Subtract the new number by the original number
728 - 503 = 225
225 ÷ 503 = 0.44731610337972166
0.44731610337972166 x 100 = 44.73%