-65.24% is the change from 817 to 284
Calculation steps:
[( 284 - 817 ) ÷ 817] x 100 = -65.24%
Formula
Percentage change = [(284 - 817) / 817] x 100
Subtract the new number by the original number
284 - 817 = -533
-533 ÷ 817 = -0.6523867809057528
-0.6523867809057528 x 100 = -65.24%