-96.81% is the change from 251 to 8
Calculation steps:
[( 8 - 251 ) ÷ 251] x 100 = -96.81%
Formula
Percentage change = [(8 - 251) / 251] x 100
Subtract the new number by the original number
8 - 251 = -243
-243 ÷ 251 = -0.9681274900398407
-0.9681274900398407 x 100 = -96.81%