-69.77% is the change from 86 to 26
Calculation steps:
[( 26 - 86 ) ÷ 86] x 100 = -69.77%
Formula
Percentage change = [(26 - 86) / 86] x 100
Subtract the new number by the original number
26 - 86 = -60
-60 ÷ 86 = -0.6976744186046512
-0.6976744186046512 x 100 = -69.77%