-68.16% is the change from 669 to 213
Calculation steps:
[( 213 - 669 ) ÷ 669] x 100 = -68.16%
Formula
Percentage change = [(213 - 669) / 669] x 100
Subtract the new number by the original number
213 - 669 = -456
-456 ÷ 669 = -0.6816143497757847
-0.6816143497757847 x 100 = -68.16%