-98.17% is the change from 600 to 11
Calculation steps:
[( 11 - 600 ) ÷ 600] x 100 = -98.17%
Formula
Percentage change = [(11 - 600) / 600] x 100
Subtract the new number by the original number
11 - 600 = -589
-589 ÷ 600 = -0.9816666666666667
-0.9816666666666667 x 100 = -98.17%