-91% is the change from 967 to 87
Calculation steps:
[( 87 - 967 ) ÷ 967] x 100 = -91%
Formula
Percentage change = [(87 - 967) / 967] x 100
Subtract the new number by the original number
87 - 967 = -880
-880 ÷ 967 = -0.9100310237849017
-0.9100310237849017 x 100 = -91%