38.97% is the change from 503 to 699
Calculation steps:
[( 699 - 503 ) ÷ 503] x 100 = 38.97%
Formula
Percentage change = [(699 - 503) / 503] x 100
Subtract the new number by the original number
699 - 503 = 196
196 ÷ 503 = 0.38966202783300197
0.38966202783300197 x 100 = 38.97%