-13.48% is the change from 890 to 770
Calculation steps:
[( 770 - 890 ) ÷ 890] x 100 = -13.48%
Formula
Percentage change = [(770 - 890) / 890] x 100
Subtract the new number by the original number
770 - 890 = -120
-120 ÷ 890 = -0.1348314606741573
-0.1348314606741573 x 100 = -13.48%