-53.57% is the change from 672 to 312
Calculation steps:
[( 312 - 672 ) ÷ 672] x 100 = -53.57%
Formula
Percentage change = [(312 - 672) / 672] x 100
Subtract the new number by the original number
312 - 672 = -360
-360 ÷ 672 = -0.5357142857142857
-0.5357142857142857 x 100 = -53.57%