-73.86% is the change from 811 to 212
Calculation steps:
[( 212 - 811 ) ÷ 811] x 100 = -73.86%
Formula
Percentage change = [(212 - 811) / 811] x 100
Subtract the new number by the original number
212 - 811 = -599
-599 ÷ 811 = -0.7385943279901356
-0.7385943279901356 x 100 = -73.86%