-12.82% is the change from 975 to 850
Calculation steps:
[( 850 - 975 ) ÷ 975] x 100 = -12.82%
Formula
Percentage change = [(850 - 975) / 975] x 100
Subtract the new number by the original number
850 - 975 = -125
-125 ÷ 975 = -0.1282051282051282
-0.1282051282051282 x 100 = -12.82%