-98.41% is the change from 251 to 4
Calculation steps:
[( 4 - 251 ) ÷ 251] x 100 = -98.41%
Formula
Percentage change = [(4 - 251) / 251] x 100
Subtract the new number by the original number
4 - 251 = -247
-247 ÷ 251 = -0.9840637450199203
-0.9840637450199203 x 100 = -98.41%