-69.54% is the change from 834 to 254
Calculation steps:
[( 254 - 834 ) ÷ 834] x 100 = -69.54%
Formula
Percentage change = [(254 - 834) / 834] x 100
Subtract the new number by the original number
254 - 834 = -580
-580 ÷ 834 = -0.6954436450839329
-0.6954436450839329 x 100 = -69.54%