-97.85% is the change from 651 to 14
Calculation steps:
[( 14 - 651 ) ÷ 651] x 100 = -97.85%
Formula
Percentage change = [(14 - 651) / 651] x 100
Subtract the new number by the original number
14 - 651 = -637
-637 ÷ 651 = -0.978494623655914
-0.978494623655914 x 100 = -97.85%