-50% is the change from 596 to 298
Calculation steps:
[( 298 - 596 ) ÷ 596] x 100 = -50%
Formula
Percentage change = [(298 - 596) / 596] x 100
Subtract the new number by the original number
298 - 596 = -298
-298 ÷ 596 = -0.5
-0.5 x 100 = -50%
Example