68.65% is the change from 488 to 823
Calculation steps:
[( 823 - 488 ) ÷ 488] x 100 = 68.65%
Formula
Percentage change = [(823 - 488) / 488] x 100
Subtract the new number by the original number
823 - 488 = 335
335 ÷ 488 = 0.6864754098360656
0.6864754098360656 x 100 = 68.65%