19.48% is the change from 503 to 601
Calculation steps:
[( 601 - 503 ) ÷ 503] x 100 = 19.48%
Formula
Percentage change = [(601 - 503) / 503] x 100
Subtract the new number by the original number
601 - 503 = 98
98 ÷ 503 = 0.19483101391650098
0.19483101391650098 x 100 = 19.48%