-40.93% is the change from 579 to 342
Calculation steps:
[( 342 - 579 ) ÷ 579] x 100 = -40.93%
Formula
Percentage change = [(342 - 579) / 579] x 100
Subtract the new number by the original number
342 - 579 = -237
-237 ÷ 579 = -0.40932642487046633
-0.40932642487046633 x 100 = -40.93%