-65.23% is the change from 279 to 97
Calculation steps:
[( 97 - 279 ) ÷ 279] x 100 = -65.23%
Formula
Percentage change = [(97 - 279) / 279] x 100
Subtract the new number by the original number
97 - 279 = -182
-182 ÷ 279 = -0.6523297491039427
-0.6523297491039427 x 100 = -65.23%