-80.63% is the change from 671 to 130
Calculation steps:
[( 130 - 671 ) ÷ 671] x 100 = -80.63%
Formula
Percentage change = [(130 - 671) / 671] x 100
Subtract the new number by the original number
130 - 671 = -541
-541 ÷ 671 = -0.8062593144560357
-0.8062593144560357 x 100 = -80.63%