-74.01% is the change from 631 to 164
Calculation steps:
[( 164 - 631 ) ÷ 631] x 100 = -74.01%
Formula
Percentage change = [(164 - 631) / 631] x 100
Subtract the new number by the original number
164 - 631 = -467
-467 ÷ 631 = -0.7400950871632329
-0.7400950871632329 x 100 = -74.01%