-64.66% is the change from 631 to 223
Calculation steps:
[( 223 - 631 ) ÷ 631] x 100 = -64.66%
Formula
Percentage change = [(223 - 631) / 631] x 100
Subtract the new number by the original number
223 - 631 = -408
-408 ÷ 631 = -0.6465927099841522
-0.6465927099841522 x 100 = -64.66%