36.15% is the change from 473 to 644
Calculation steps:
[( 644 - 473 ) ÷ 473] x 100 = 36.15%
Formula
Percentage change = [(644 - 473) / 473] x 100
Subtract the new number by the original number
644 - 473 = 171
171 ÷ 473 = 0.36152219873150104
0.36152219873150104 x 100 = 36.15%