19.01% is the change from 505 to 601
Calculation steps:
[( 601 - 505 ) ÷ 505] x 100 = 19.01%
Formula
Percentage change = [(601 - 505) / 505] x 100
Subtract the new number by the original number
601 - 505 = 96
96 ÷ 505 = 0.1900990099009901
0.1900990099009901 x 100 = 19.01%