-3.4% is the change from 588 to 568
Calculation steps:
[( 568 - 588 ) ÷ 588] x 100 = -3.4%
Formula
Percentage change = [(568 - 588) / 588] x 100
Subtract the new number by the original number
568 - 588 = -20
-20 ÷ 588 = -0.034013605442176874
-0.034013605442176874 x 100 = -3.4%