-66.41% is the change from 649 to 218
Calculation steps:
[( 218 - 649 ) ÷ 649] x 100 = -66.41%
Formula
Percentage change = [(218 - 649) / 649] x 100
Subtract the new number by the original number
218 - 649 = -431
-431 ÷ 649 = -0.6640986132511556
-0.6640986132511556 x 100 = -66.41%