-88.75% is the change from 240 to 27
Calculation steps:
[( 27 - 240 ) ÷ 240] x 100 = -88.75%
Formula
Percentage change = [(27 - 240) / 240] x 100
Subtract the new number by the original number
27 - 240 = -213
-213 ÷ 240 = -0.8875
-0.8875 x 100 = -88.75%