-83.53% is the change from 85 to 14
Calculation steps:
[( 14 - 85 ) ÷ 85] x 100 = -83.53%
Formula
Percentage change = [(14 - 85) / 85] x 100
Subtract the new number by the original number
14 - 85 = -71
-71 ÷ 85 = -0.8352941176470589
-0.8352941176470589 x 100 = -83.53%