38.57% is the change from 363 to 503
Calculation steps:
[( 503 - 363 ) ÷ 363] x 100 = 38.57%
Formula
Percentage change = [(503 - 363) / 363] x 100
Subtract the new number by the original number
503 - 363 = 140
140 ÷ 363 = 0.3856749311294766
0.3856749311294766 x 100 = 38.57%