-68.5% is the change from 673 to 212
Calculation steps:
[( 212 - 673 ) ÷ 673] x 100 = -68.5%
Formula
Percentage change = [(212 - 673) / 673] x 100
Subtract the new number by the original number
212 - 673 = -461
-461 ÷ 673 = -0.6849925705794948
-0.6849925705794948 x 100 = -68.5%