21.96% is the change from 501 to 611
Calculation steps:
[( 611 - 501 ) ÷ 501] x 100 = 21.96%
Formula
Percentage change = [(611 - 501) / 501] x 100
Subtract the new number by the original number
611 - 501 = 110
110 ÷ 501 = 0.21956087824351297
0.21956087824351297 x 100 = 21.96%