-16.78% is the change from 298 to 248
Calculation steps:
[( 248 - 298 ) ÷ 298] x 100 = -16.78%
Formula
Percentage change = [(248 - 298) / 298] x 100
Subtract the new number by the original number
248 - 298 = -50
-50 ÷ 298 = -0.16778523489932887
-0.16778523489932887 x 100 = -16.78%