-82.01% is the change from 667 to 120
Calculation steps:
[( 120 - 667 ) ÷ 667] x 100 = -82.01%
Formula
Percentage change = [(120 - 667) / 667] x 100
Subtract the new number by the original number
120 - 667 = -547
-547 ÷ 667 = -0.8200899550224887
-0.8200899550224887 x 100 = -82.01%