-5.03% is the change from 676 to 642
Calculation steps:
[( 642 - 676 ) ÷ 676] x 100 = -5.03%
Formula
Percentage change = [(642 - 676) / 676] x 100
Subtract the new number by the original number
642 - 676 = -34
-34 ÷ 676 = -0.05029585798816568
-0.05029585798816568 x 100 = -5.03%