-96.22% is the change from 662 to 25
Calculation steps:
[( 25 - 662 ) ÷ 662] x 100 = -96.22%
Formula
Percentage change = [(25 - 662) / 662] x 100
Subtract the new number by the original number
25 - 662 = -637
-637 ÷ 662 = -0.9622356495468278
-0.9622356495468278 x 100 = -96.22%