39.79% is the change from 480 to 671
Calculation steps:
[( 671 - 480 ) ÷ 480] x 100 = 39.79%
Formula
Percentage change = [(671 - 480) / 480] x 100
Subtract the new number by the original number
671 - 480 = 191
191 ÷ 480 = 0.39791666666666664
0.39791666666666664 x 100 = 39.79%