-11.76% is the change from 85 to 75
Calculation steps:
[( 75 - 85 ) ÷ 85] x 100 = -11.76%
Formula
Percentage change = [(75 - 85) / 85] x 100
Subtract the new number by the original number
75 - 85 = -10
-10 ÷ 85 = -0.11764705882352941
-0.11764705882352941 x 100 = -11.76%