-69.75% is the change from 671 to 203
Calculation steps:
[( 203 - 671 ) ÷ 671] x 100 = -69.75%
Formula
Percentage change = [(203 - 671) / 671] x 100
Subtract the new number by the original number
203 - 671 = -468
-468 ÷ 671 = -0.6974664679582713
-0.6974664679582713 x 100 = -69.75%