-90.37% is the change from 270 to 26
Calculation steps:
[( 26 - 270 ) ÷ 270] x 100 = -90.37%
Formula
Percentage change = [(26 - 270) / 270] x 100
Subtract the new number by the original number
26 - 270 = -244
-244 ÷ 270 = -0.9037037037037037
-0.9037037037037037 x 100 = -90.37%