-68.11% is the change from 671 to 214
Calculation steps:
[( 214 - 671 ) ÷ 671] x 100 = -68.11%
Formula
Percentage change = [(214 - 671) / 671] x 100
Subtract the new number by the original number
214 - 671 = -457
-457 ÷ 671 = -0.6810730253353204
-0.6810730253353204 x 100 = -68.11%