-2.83% is the change from 600 to 583
Calculation steps:
[( 583 - 600 ) ÷ 600] x 100 = -2.83%
Formula
Percentage change = [(583 - 600) / 600] x 100
Subtract the new number by the original number
583 - 600 = -17
-17 ÷ 600 = -0.028333333333333332
-0.028333333333333332 x 100 = -2.83%