-73.73% is the change from 826 to 217
Calculation steps:
[( 217 - 826 ) ÷ 826] x 100 = -73.73%
Formula
Percentage change = [(217 - 826) / 826] x 100
Subtract the new number by the original number
217 - 826 = -609
-609 ÷ 826 = -0.7372881355932204
-0.7372881355932204 x 100 = -73.73%