-3.27% is the change from 673 to 651
Calculation steps:
[( 651 - 673 ) ÷ 673] x 100 = -3.27%
Formula
Percentage change = [(651 - 673) / 673] x 100
Subtract the new number by the original number
651 - 673 = -22
-22 ÷ 673 = -0.03268945022288262
-0.03268945022288262 x 100 = -3.27%