-67.04% is the change from 631 to 208
Calculation steps:
[( 208 - 631 ) ÷ 631] x 100 = -67.04%
Formula
Percentage change = [(208 - 631) / 631] x 100
Subtract the new number by the original number
208 - 631 = -423
-423 ÷ 631 = -0.6703645007923931
-0.6703645007923931 x 100 = -67.04%