-74.4% is the change from 672 to 172
Calculation steps:
[( 172 - 672 ) ÷ 672] x 100 = -74.4%
Formula
Percentage change = [(172 - 672) / 672] x 100
Subtract the new number by the original number
172 - 672 = -500
-500 ÷ 672 = -0.7440476190476191
-0.7440476190476191 x 100 = -74.4%