-17.01% is the change from 588 to 488
Calculation steps:
[( 488 - 588 ) ÷ 588] x 100 = -17.01%
Formula
Percentage change = [(488 - 588) / 588] x 100
Subtract the new number by the original number
488 - 588 = -100
-100 ÷ 588 = -0.17006802721088435
-0.17006802721088435 x 100 = -17.01%