-73.15% is the change from 812 to 218
Calculation steps:
[( 218 - 812 ) ÷ 812] x 100 = -73.15%
Formula
Percentage change = [(218 - 812) / 812] x 100
Subtract the new number by the original number
218 - 812 = -594
-594 ÷ 812 = -0.7315270935960592
-0.7315270935960592 x 100 = -73.15%