-9% is the change from 967 to 880
Calculation steps:
[( 880 - 967 ) ÷ 967] x 100 = -9%
Formula
Percentage change = [(880 - 967) / 967] x 100
Subtract the new number by the original number
880 - 967 = -87
-87 ÷ 967 = -0.08996897621509824
-0.08996897621509824 x 100 = -9%