-93.08% is the change from 260 to 18
Calculation steps:
[( 18 - 260 ) ÷ 260] x 100 = -93.08%
Formula
Percentage change = [(18 - 260) / 260] x 100
Subtract the new number by the original number
18 - 260 = -242
-242 ÷ 260 = -0.9307692307692308
-0.9307692307692308 x 100 = -93.08%