-26.5% is the change from 117 to 86
Calculation steps:
[( 86 - 117 ) ÷ 117] x 100 = -26.5%
Formula
Percentage change = [(86 - 117) / 117] x 100
Subtract the new number by the original number
86 - 117 = -31
-31 ÷ 117 = -0.26495726495726496
-0.26495726495726496 x 100 = -26.5%