-81.27% is the change from 251 to 47
Calculation steps:
[( 47 - 251 ) ÷ 251] x 100 = -81.27%
Formula
Percentage change = [(47 - 251) / 251] x 100
Subtract the new number by the original number
47 - 251 = -204
-204 ÷ 251 = -0.8127490039840638
-0.8127490039840638 x 100 = -81.27%