-12.99% is the change from 885 to 770
Calculation steps:
[( 770 - 885 ) ÷ 885] x 100 = -12.99%
Formula
Percentage change = [(770 - 885) / 885] x 100
Subtract the new number by the original number
770 - 885 = -115
-115 ÷ 885 = -0.12994350282485875
-0.12994350282485875 x 100 = -12.99%