-31.54% is the change from 279 to 191
Calculation steps:
[( 191 - 279 ) ÷ 279] x 100 = -31.54%
Formula
Percentage change = [(191 - 279) / 279] x 100
Subtract the new number by the original number
191 - 279 = -88
-88 ÷ 279 = -0.3154121863799283
-0.3154121863799283 x 100 = -31.54%