-78.54% is the change from 671 to 144
Calculation steps:
[( 144 - 671 ) ÷ 671] x 100 = -78.54%
Formula
Percentage change = [(144 - 671) / 671] x 100
Subtract the new number by the original number
144 - 671 = -527
-527 ÷ 671 = -0.7853949329359166
-0.7853949329359166 x 100 = -78.54%