-98.96% is the change from 672 to 7
Calculation steps:
[( 7 - 672 ) ÷ 672] x 100 = -98.96%
Formula
Percentage change = [(7 - 672) / 672] x 100
Subtract the new number by the original number
7 - 672 = -665
-665 ÷ 672 = -0.9895833333333334
-0.9895833333333334 x 100 = -98.96%