-99.24% is the change from 662 to 5
Calculation steps:
[( 5 - 662 ) ÷ 662] x 100 = -99.24%
Formula
Percentage change = [(5 - 662) / 662] x 100
Subtract the new number by the original number
5 - 662 = -657
-657 ÷ 662 = -0.9924471299093656
-0.9924471299093656 x 100 = -99.24%