-88.97% is the change from 272 to 30
Calculation steps:
[( 30 - 272 ) ÷ 272] x 100 = -88.97%
Formula
Percentage change = [(30 - 272) / 272] x 100
Subtract the new number by the original number
30 - 272 = -242
-242 ÷ 272 = -0.8897058823529411
-0.8897058823529411 x 100 = -88.97%