-73% is the change from 811 to 219
Calculation steps:
[( 219 - 811 ) ÷ 811] x 100 = -73%
Formula
Percentage change = [(219 - 811) / 811] x 100
Subtract the new number by the original number
219 - 811 = -592
-592 ÷ 811 = -0.7299630086313194
-0.7299630086313194 x 100 = -73%