-70.68% is the change from 631 to 185
Calculation steps:
[( 185 - 631 ) ÷ 631] x 100 = -70.68%
Formula
Percentage change = [(185 - 631) / 631] x 100
Subtract the new number by the original number
185 - 631 = -446
-446 ÷ 631 = -0.7068145800316957
-0.7068145800316957 x 100 = -70.68%