2.51% is the change from 479 to 491
Calculation steps:
[( 491 - 479 ) ÷ 479] x 100 = 2.51%
Formula
Percentage change = [(491 - 479) / 479] x 100
Subtract the new number by the original number
491 - 479 = 12
12 ÷ 479 = 0.025052192066805846
0.025052192066805846 x 100 = 2.51%