-12% is the change from 975 to 858
Calculation steps:
[( 858 - 975 ) ÷ 975] x 100 = -12%
Formula
Percentage change = [(858 - 975) / 975] x 100
Subtract the new number by the original number
858 - 975 = -117
-117 ÷ 975 = -0.12
-0.12 x 100 = -12%
Example