21.04% is the change from 480 to 581
Calculation steps:
[( 581 - 480 ) ÷ 480] x 100 = 21.04%
Formula
Percentage change = [(581 - 480) / 480] x 100
Subtract the new number by the original number
581 - 480 = 101
101 ÷ 480 = 0.21041666666666667
0.21041666666666667 x 100 = 21.04%