-64.08% is the change from 671 to 241
Calculation steps:
[( 241 - 671 ) ÷ 671] x 100 = -64.08%
Formula
Percentage change = [(241 - 671) / 671] x 100
Subtract the new number by the original number
241 - 671 = -430
-430 ÷ 671 = -0.6408345752608048
-0.6408345752608048 x 100 = -64.08%