-88.56% is the change from 306 to 35
Calculation steps:
[( 35 - 306 ) ÷ 306] x 100 = -88.56%
Formula
Percentage change = [(35 - 306) / 306] x 100
Subtract the new number by the original number
35 - 306 = -271
-271 ÷ 306 = -0.8856209150326797
-0.8856209150326797 x 100 = -88.56%