-34.01% is the change from 588 to 388
Calculation steps:
[( 388 - 588 ) ÷ 588] x 100 = -34.01%
Formula
Percentage change = [(388 - 588) / 588] x 100
Subtract the new number by the original number
388 - 588 = -200
-200 ÷ 588 = -0.3401360544217687
-0.3401360544217687 x 100 = -34.01%