-67.61% is the change from 673 to 218
Calculation steps:
[( 218 - 673 ) ÷ 673] x 100 = -67.61%
Formula
Percentage change = [(218 - 673) / 673] x 100
Subtract the new number by the original number
218 - 673 = -455
-455 ÷ 673 = -0.6760772659732541
-0.6760772659732541 x 100 = -67.61%