-69.89% is the change from 817 to 246
Calculation steps:
[( 246 - 817 ) ÷ 817] x 100 = -69.89%
Formula
Percentage change = [(246 - 817) / 817] x 100
Subtract the new number by the original number
246 - 817 = -571
-571 ÷ 817 = -0.6988984088127295
-0.6988984088127295 x 100 = -69.89%