-73.77% is the change from 816 to 214
Calculation steps:
[( 214 - 816 ) ÷ 816] x 100 = -73.77%
Formula
Percentage change = [(214 - 816) / 816] x 100
Subtract the new number by the original number
214 - 816 = -602
-602 ÷ 816 = -0.7377450980392157
-0.7377450980392157 x 100 = -73.77%