-75.56% is the change from 667 to 163
Calculation steps:
[( 163 - 667 ) ÷ 667] x 100 = -75.56%
Formula
Percentage change = [(163 - 667) / 667] x 100
Subtract the new number by the original number
163 - 667 = -504
-504 ÷ 667 = -0.7556221889055472
-0.7556221889055472 x 100 = -75.56%