-76.79% is the change from 672 to 156
Calculation steps:
[( 156 - 672 ) ÷ 672] x 100 = -76.79%
Formula
Percentage change = [(156 - 672) / 672] x 100
Subtract the new number by the original number
156 - 672 = -516
-516 ÷ 672 = -0.7678571428571429
-0.7678571428571429 x 100 = -76.79%