-2.2% is the change from 910 to 890
Calculation steps:
[( 890 - 910 ) ÷ 910] x 100 = -2.2%
Formula
Percentage change = [(890 - 910) / 910] x 100
Subtract the new number by the original number
890 - 910 = -20
-20 ÷ 910 = -0.02197802197802198
-0.02197802197802198 x 100 = -2.2%