-69.58% is the change from 286 to 87
Calculation steps:
[( 87 - 286 ) ÷ 286] x 100 = -69.58%
Formula
Percentage change = [(87 - 286) / 286] x 100
Subtract the new number by the original number
87 - 286 = -199
-199 ÷ 286 = -0.6958041958041958
-0.6958041958041958 x 100 = -69.58%