-66.08% is the change from 286 to 97
Calculation steps:
[( 97 - 286 ) ÷ 286] x 100 = -66.08%
Formula
Percentage change = [(97 - 286) / 286] x 100
Subtract the new number by the original number
97 - 286 = -189
-189 ÷ 286 = -0.6608391608391608
-0.6608391608391608 x 100 = -66.08%