64.07% is the change from 501 to 822
Calculation steps:
[( 822 - 501 ) ÷ 501] x 100 = 64.07%
Formula
Percentage change = [(822 - 501) / 501] x 100
Subtract the new number by the original number
822 - 501 = 321
321 ÷ 501 = 0.6407185628742516
0.6407185628742516 x 100 = 64.07%