-10.77% is the change from 975 to 870
Calculation steps:
[( 870 - 975 ) ÷ 975] x 100 = -10.77%
Formula
Percentage change = [(870 - 975) / 975] x 100
Subtract the new number by the original number
870 - 975 = -105
-105 ÷ 975 = -0.1076923076923077
-0.1076923076923077 x 100 = -10.77%