-67.36% is the change from 671 to 219
Calculation steps:
[( 219 - 671 ) ÷ 671] x 100 = -67.36%
Formula
Percentage change = [(219 - 671) / 671] x 100
Subtract the new number by the original number
219 - 671 = -452
-452 ÷ 671 = -0.6736214605067065
-0.6736214605067065 x 100 = -67.36%