-30.11% is the change from 279 to 195
Calculation steps:
[( 195 - 279 ) ÷ 279] x 100 = -30.11%
Formula
Percentage change = [(195 - 279) / 279] x 100
Subtract the new number by the original number
195 - 279 = -84
-84 ÷ 279 = -0.3010752688172043
-0.3010752688172043 x 100 = -30.11%