-97.89% is the change from 662 to 14
Calculation steps:
[( 14 - 662 ) ÷ 662] x 100 = -97.89%
Formula
Percentage change = [(14 - 662) / 662] x 100
Subtract the new number by the original number
14 - 662 = -648
-648 ÷ 662 = -0.9788519637462235
-0.9788519637462235 x 100 = -97.89%