104.22% is the change from 403 to 823
Calculation steps:
[( 823 - 403 ) ÷ 403] x 100 = 104.22%
Formula
Percentage change = [(823 - 403) / 403] x 100
Subtract the new number by the original number
823 - 403 = 420
420 ÷ 403 = 1.0421836228287842
1.0421836228287842 x 100 = 104.22%