-75.6% is the change from 672 to 164
Calculation steps:
[( 164 - 672 ) ÷ 672] x 100 = -75.6%
Formula
Percentage change = [(164 - 672) / 672] x 100
Subtract the new number by the original number
164 - 672 = -508
-508 ÷ 672 = -0.7559523809523809
-0.7559523809523809 x 100 = -75.6%