-78.99% is the change from 671 to 141
Calculation steps:
[( 141 - 671 ) ÷ 671] x 100 = -78.99%
Formula
Percentage change = [(141 - 671) / 671] x 100
Subtract the new number by the original number
141 - 671 = -530
-530 ÷ 671 = -0.789865871833085
-0.789865871833085 x 100 = -78.99%