-73.74% is the change from 811 to 213
Calculation steps:
[( 213 - 811 ) ÷ 811] x 100 = -73.74%
Formula
Percentage change = [(213 - 811) / 811] x 100
Subtract the new number by the original number
213 - 811 = -598
-598 ÷ 811 = -0.7373612823674476
-0.7373612823674476 x 100 = -73.74%