-73.77% is the change from 812 to 213
Calculation steps:
[( 213 - 812 ) ÷ 812] x 100 = -73.77%
Formula
Percentage change = [(213 - 812) / 812] x 100
Subtract the new number by the original number
213 - 812 = -599
-599 ÷ 812 = -0.7376847290640394
-0.7376847290640394 x 100 = -73.77%