61.68% is the change from 501 to 810
Calculation steps:
[( 810 - 501 ) ÷ 501] x 100 = 61.68%
Formula
Percentage change = [(810 - 501) / 501] x 100
Subtract the new number by the original number
810 - 501 = 309
309 ÷ 501 = 0.6167664670658682
0.6167664670658682 x 100 = 61.68%