-89.15% is the change from 258 to 28
Calculation steps:
[( 28 - 258 ) ÷ 258] x 100 = -89.15%
Formula
Percentage change = [(28 - 258) / 258] x 100
Subtract the new number by the original number
28 - 258 = -230
-230 ÷ 258 = -0.8914728682170543
-0.8914728682170543 x 100 = -89.15%