-67.68% is the change from 656 to 212
Calculation steps:
[( 212 - 656 ) ÷ 656] x 100 = -67.68%
Formula
Percentage change = [(212 - 656) / 656] x 100
Subtract the new number by the original number
212 - 656 = -444
-444 ÷ 656 = -0.676829268292683
-0.676829268292683 x 100 = -67.68%