-71.68% is the change from 671 to 190
Calculation steps:
[( 190 - 671 ) ÷ 671] x 100 = -71.68%
Formula
Percentage change = [(190 - 671) / 671] x 100
Subtract the new number by the original number
190 - 671 = -481
-481 ÷ 671 = -0.7168405365126677
-0.7168405365126677 x 100 = -71.68%