-65.66% is the change from 827 to 284
Calculation steps:
[( 284 - 827 ) ÷ 827] x 100 = -65.66%
Formula
Percentage change = [(284 - 827) / 827] x 100
Subtract the new number by the original number
284 - 827 = -543
-543 ÷ 827 = -0.656590084643289
-0.656590084643289 x 100 = -65.66%