-2.11% is the change from 662 to 648
Calculation steps:
[( 648 - 662 ) ÷ 662] x 100 = -2.11%
Formula
Percentage change = [(648 - 662) / 662] x 100
Subtract the new number by the original number
648 - 662 = -14
-14 ÷ 662 = -0.021148036253776436
-0.021148036253776436 x 100 = -2.11%