-33.67% is the change from 588 to 390
Calculation steps:
[( 390 - 588 ) ÷ 588] x 100 = -33.67%
Formula
Percentage change = [(390 - 588) / 588] x 100
Subtract the new number by the original number
390 - 588 = -198
-198 ÷ 588 = -0.336734693877551
-0.336734693877551 x 100 = -33.67%