-9.19% is the change from 642 to 583
Calculation steps:
[( 583 - 642 ) ÷ 642] x 100 = -9.19%
Formula
Percentage change = [(583 - 642) / 642] x 100
Subtract the new number by the original number
583 - 642 = -59
-59 ÷ 642 = -0.09190031152647975
-0.09190031152647975 x 100 = -9.19%