-14% is the change from 100 to 86
Calculation steps:
[( 86 - 100 ) ÷ 100] x 100 = -14%
Formula
Percentage change = [(86 - 100) / 100] x 100
Subtract the new number by the original number
86 - 100 = -14
-14 ÷ 100 = -0.14
-0.14 x 100 = -14%
Example