12.15% is the change from 576 to 646
Calculation steps:
[( 646 - 576 ) ÷ 576] x 100 = 12.15%
Formula
Percentage change = [(646 - 576) / 576] x 100
Subtract the new number by the original number
646 - 576 = 70
70 ÷ 576 = 0.12152777777777778
0.12152777777777778 x 100 = 12.15%