-3.29% is the change from 608 to 588
Calculation steps:
[( 588 - 608 ) ÷ 608] x 100 = -3.29%
Formula
Percentage change = [(588 - 608) / 608] x 100
Subtract the new number by the original number
588 - 608 = -20
-20 ÷ 608 = -0.03289473684210526
-0.03289473684210526 x 100 = -3.29%