-73.92% is the change from 813 to 212
Calculation steps:
[( 212 - 813 ) ÷ 813] x 100 = -73.92%
Formula
Percentage change = [(212 - 813) / 813] x 100
Subtract the new number by the original number
212 - 813 = -601
-601 ÷ 813 = -0.7392373923739237
-0.7392373923739237 x 100 = -73.92%