-84.46% is the change from 251 to 39
Calculation steps:
[( 39 - 251 ) ÷ 251] x 100 = -84.46%
Formula
Percentage change = [(39 - 251) / 251] x 100
Subtract the new number by the original number
39 - 251 = -212
-212 ÷ 251 = -0.8446215139442231
-0.8446215139442231 x 100 = -84.46%