-94.2% is the change from 672 to 39
Calculation steps:
[( 39 - 672 ) ÷ 672] x 100 = -94.2%
Formula
Percentage change = [(39 - 672) / 672] x 100
Subtract the new number by the original number
39 - 672 = -633
-633 ÷ 672 = -0.9419642857142857
-0.9419642857142857 x 100 = -94.2%