21.87% is the change from 503 to 613
Calculation steps:
[( 613 - 503 ) ÷ 503] x 100 = 21.87%
Formula
Percentage change = [(613 - 503) / 503] x 100
Subtract the new number by the original number
613 - 503 = 110
110 ÷ 503 = 0.21868787276341947
0.21868787276341947 x 100 = 21.87%