-1.21% is the change from 662 to 654
Calculation steps:
[( 654 - 662 ) ÷ 662] x 100 = -1.21%
Formula
Percentage change = [(654 - 662) / 662] x 100
Subtract the new number by the original number
654 - 662 = -8
-8 ÷ 662 = -0.012084592145015106
-0.012084592145015106 x 100 = -1.21%