-90.79% is the change from 304 to 28
Calculation steps:
[( 28 - 304 ) ÷ 304] x 100 = -90.79%
Formula
Percentage change = [(28 - 304) / 304] x 100
Subtract the new number by the original number
28 - 304 = -276
-276 ÷ 304 = -0.9078947368421053
-0.9078947368421053 x 100 = -90.79%