-50% is the change from 588 to 294
Calculation steps:
[( 294 - 588 ) ÷ 588] x 100 = -50%
Formula
Percentage change = [(294 - 588) / 588] x 100
Subtract the new number by the original number
294 - 588 = -294
-294 ÷ 588 = -0.5
-0.5 x 100 = -50%
Example