34.79% is the change from 480 to 647
Calculation steps:
[( 647 - 480 ) ÷ 480] x 100 = 34.79%
Formula
Percentage change = [(647 - 480) / 480] x 100
Subtract the new number by the original number
647 - 480 = 167
167 ÷ 480 = 0.34791666666666665
0.34791666666666665 x 100 = 34.79%