-68.01% is the change from 669 to 214
Calculation steps:
[( 214 - 669 ) ÷ 669] x 100 = -68.01%
Formula
Percentage change = [(214 - 669) / 669] x 100
Subtract the new number by the original number
214 - 669 = -455
-455 ÷ 669 = -0.680119581464873
-0.680119581464873 x 100 = -68.01%