3.66% is the change from 656 to 680
Calculation steps:
[( 680 - 656 ) ÷ 656] x 100 = 3.66%
Formula
Percentage change = [(680 - 656) / 656] x 100
Subtract the new number by the original number
680 - 656 = 24
24 ÷ 656 = 0.036585365853658534
0.036585365853658534 x 100 = 3.66%