-1.12% is the change from 890 to 880
Calculation steps:
[( 880 - 890 ) ÷ 890] x 100 = -1.12%
Formula
Percentage change = [(880 - 890) / 890] x 100
Subtract the new number by the original number
880 - 890 = -10
-10 ÷ 890 = -0.011235955056179775
-0.011235955056179775 x 100 = -1.12%