-65.45% is the change from 631 to 218
Calculation steps:
[( 218 - 631 ) ÷ 631] x 100 = -65.45%
Formula
Percentage change = [(218 - 631) / 631] x 100
Subtract the new number by the original number
218 - 631 = -413
-413 ÷ 631 = -0.6545166402535658
-0.6545166402535658 x 100 = -65.45%