-89.27% is the change from 261 to 28
Calculation steps:
[( 28 - 261 ) ÷ 261] x 100 = -89.27%
Formula
Percentage change = [(28 - 261) / 261] x 100
Subtract the new number by the original number
28 - 261 = -233
-233 ÷ 261 = -0.89272030651341
-0.89272030651341 x 100 = -89.27%