35.58% is the change from 371 to 503
Calculation steps:
[( 503 - 371 ) ÷ 371] x 100 = 35.58%
Formula
Percentage change = [(503 - 371) / 371] x 100
Subtract the new number by the original number
503 - 371 = 132
132 ÷ 371 = 0.3557951482479784
0.3557951482479784 x 100 = 35.58%