-1.21% is the change from 659 to 651
Calculation steps:
[( 651 - 659 ) ÷ 659] x 100 = -1.21%
Formula
Percentage change = [(651 - 659) / 659] x 100
Subtract the new number by the original number
651 - 659 = -8
-8 ÷ 659 = -0.012139605462822459
-0.012139605462822459 x 100 = -1.21%