64.27% is the change from 501 to 823
Calculation steps:
[( 823 - 501 ) ÷ 501] x 100 = 64.27%
Formula
Percentage change = [(823 - 501) / 501] x 100
Subtract the new number by the original number
823 - 501 = 322
322 ÷ 501 = 0.6427145708582834
0.6427145708582834 x 100 = 64.27%