-5.87% is the change from 682 to 642
Calculation steps:
[( 642 - 682 ) ÷ 682] x 100 = -5.87%
Formula
Percentage change = [(642 - 682) / 682] x 100
Subtract the new number by the original number
642 - 682 = -40
-40 ÷ 682 = -0.05865102639296188
-0.05865102639296188 x 100 = -5.87%