-12% is the change from 875 to 770
Calculation steps:
[( 770 - 875 ) ÷ 875] x 100 = -12%
Formula
Percentage change = [(770 - 875) / 875] x 100
Subtract the new number by the original number
770 - 875 = -105
-105 ÷ 875 = -0.12
-0.12 x 100 = -12%
Example