-73.53% is the change from 631 to 167
Calculation steps:
[( 167 - 631 ) ÷ 631] x 100 = -73.53%
Formula
Percentage change = [(167 - 631) / 631] x 100
Subtract the new number by the original number
167 - 631 = -464
-464 ÷ 631 = -0.7353407290015848
-0.7353407290015848 x 100 = -73.53%