-24.94% is the change from 397 to 298
Calculation steps:
[( 298 - 397 ) ÷ 397] x 100 = -24.94%
Formula
Percentage change = [(298 - 397) / 397] x 100
Subtract the new number by the original number
298 - 397 = -99
-99 ÷ 397 = -0.24937027707808565
-0.24937027707808565 x 100 = -24.94%