34.94% is the change from 478 to 645
Calculation steps:
[( 645 - 478 ) ÷ 478] x 100 = 34.94%
Formula
Percentage change = [(645 - 478) / 478] x 100
Subtract the new number by the original number
645 - 478 = 167
167 ÷ 478 = 0.3493723849372385
0.3493723849372385 x 100 = 34.94%