-84.05% is the change from 671 to 107
Calculation steps:
[( 107 - 671 ) ÷ 671] x 100 = -84.05%
Formula
Percentage change = [(107 - 671) / 671] x 100
Subtract the new number by the original number
107 - 671 = -564
-564 ÷ 671 = -0.8405365126676602
-0.8405365126676602 x 100 = -84.05%