-73.81% is the change from 817 to 214
Calculation steps:
[( 214 - 817 ) ÷ 817] x 100 = -73.81%
Formula
Percentage change = [(214 - 817) / 817] x 100
Subtract the new number by the original number
214 - 817 = -603
-603 ÷ 817 = -0.7380660954712362
-0.7380660954712362 x 100 = -73.81%