-65.88% is the change from 85 to 29
Calculation steps:
[( 29 - 85 ) ÷ 85] x 100 = -65.88%
Formula
Percentage change = [(29 - 85) / 85] x 100
Subtract the new number by the original number
29 - 85 = -56
-56 ÷ 85 = -0.6588235294117647
-0.6588235294117647 x 100 = -65.88%