-78.24% is the change from 671 to 146
Calculation steps:
[( 146 - 671 ) ÷ 671] x 100 = -78.24%
Formula
Percentage change = [(146 - 671) / 671] x 100
Subtract the new number by the original number
146 - 671 = -525
-525 ÷ 671 = -0.7824143070044709
-0.7824143070044709 x 100 = -78.24%