-73.68% is the change from 813 to 214
Calculation steps:
[( 214 - 813 ) ÷ 813] x 100 = -73.68%
Formula
Percentage change = [(214 - 813) / 813] x 100
Subtract the new number by the original number
214 - 813 = -599
-599 ÷ 813 = -0.7367773677736777
-0.7367773677736777 x 100 = -73.68%