36% is the change from 475 to 646
Calculation steps:
[( 646 - 475 ) ÷ 475] x 100 = 36%
Formula
Percentage change = [(646 - 475) / 475] x 100
Subtract the new number by the original number
646 - 475 = 171
171 ÷ 475 = 0.36
0.36 x 100 = 36%
Example