65.59% is the change from 497 to 823
Calculation steps:
[( 823 - 497 ) ÷ 497] x 100 = 65.59%
Formula
Percentage change = [(823 - 497) / 497] x 100
Subtract the new number by the original number
823 - 497 = 326
326 ÷ 497 = 0.6559356136820925
0.6559356136820925 x 100 = 65.59%