-23.08% is the change from 26 to 20
Calculation steps:
[( 20 - 26 ) ÷ 26] x 100 = -23.08%
Formula
Percentage change = [(20 - 26) / 26] x 100
Subtract the new number by the original number
20 - 26 = -6
-6 ÷ 26 = -0.23076923076923078
-0.23076923076923078 x 100 = -23.08%