-79.61% is the change from 672 to 137
Calculation steps:
[( 137 - 672 ) ÷ 672] x 100 = -79.61%
Formula
Percentage change = [(137 - 672) / 672] x 100
Subtract the new number by the original number
137 - 672 = -535
-535 ÷ 672 = -0.7961309523809523
-0.7961309523809523 x 100 = -79.61%