-98.46% is the change from 651 to 10
Calculation steps:
[( 10 - 651 ) ÷ 651] x 100 = -98.46%
Formula
Percentage change = [(10 - 651) / 651] x 100
Subtract the new number by the original number
10 - 651 = -641
-641 ÷ 651 = -0.9846390168970814
-0.9846390168970814 x 100 = -98.46%