73.26% is the change from 475 to 823
Calculation steps:
[( 823 - 475 ) ÷ 475] x 100 = 73.26%
Formula
Percentage change = [(823 - 475) / 475] x 100
Subtract the new number by the original number
823 - 475 = 348
348 ÷ 475 = 0.7326315789473684
0.7326315789473684 x 100 = 73.26%