-78.31% is the change from 673 to 146
Calculation steps:
[( 146 - 673 ) ÷ 673] x 100 = -78.31%
Formula
Percentage change = [(146 - 673) / 673] x 100
Subtract the new number by the original number
146 - 673 = -527
-527 ÷ 673 = -0.7830609212481426
-0.7830609212481426 x 100 = -78.31%