-94.94% is the change from 672 to 34
Calculation steps:
[( 34 - 672 ) ÷ 672] x 100 = -94.94%
Formula
Percentage change = [(34 - 672) / 672] x 100
Subtract the new number by the original number
34 - 672 = -638
-638 ÷ 672 = -0.9494047619047619
-0.9494047619047619 x 100 = -94.94%