72.21% is the change from 475 to 818
Calculation steps:
[( 818 - 475 ) ÷ 475] x 100 = 72.21%
Formula
Percentage change = [(818 - 475) / 475] x 100
Subtract the new number by the original number
818 - 475 = 343
343 ÷ 475 = 0.7221052631578947
0.7221052631578947 x 100 = 72.21%
Example