-73.76% is the change from 827 to 217
Calculation steps:
[( 217 - 827 ) ÷ 827] x 100 = -73.76%
Formula
Percentage change = [(217 - 827) / 827] x 100
Subtract the new number by the original number
217 - 827 = -610
-610 ÷ 827 = -0.7376058041112454
-0.7376058041112454 x 100 = -73.76%