-5.61% is the change from 642 to 606
Calculation steps:
[( 606 - 642 ) ÷ 642] x 100 = -5.61%
Formula
Percentage change = [(606 - 642) / 642] x 100
Subtract the new number by the original number
606 - 642 = -36
-36 ÷ 642 = -0.056074766355140186
-0.056074766355140186 x 100 = -5.61%