-68.48% is the change from 276 to 87
Calculation steps:
[( 87 - 276 ) ÷ 276] x 100 = -68.48%
Formula
Percentage change = [(87 - 276) / 276] x 100
Subtract the new number by the original number
87 - 276 = -189
-189 ÷ 276 = -0.6847826086956522
-0.6847826086956522 x 100 = -68.48%