-90.6% is the change from 298 to 28
Calculation steps:
[( 28 - 298 ) ÷ 298] x 100 = -90.6%
Formula
Percentage change = [(28 - 298) / 298] x 100
Subtract the new number by the original number
28 - 298 = -270
-270 ÷ 298 = -0.9060402684563759
-0.9060402684563759 x 100 = -90.6%