37.18% is the change from 503 to 690
Calculation steps:
[( 690 - 503 ) ÷ 503] x 100 = 37.18%
Formula
Percentage change = [(690 - 503) / 503] x 100
Subtract the new number by the original number
690 - 503 = 187
187 ÷ 503 = 0.3717693836978131
0.3717693836978131 x 100 = 37.18%