-68.1% is the change from 279 to 89
Calculation steps:
[( 89 - 279 ) ÷ 279] x 100 = -68.1%
Formula
Percentage change = [(89 - 279) / 279] x 100
Subtract the new number by the original number
89 - 279 = -190
-190 ÷ 279 = -0.6810035842293907
-0.6810035842293907 x 100 = -68.1%