-65.28% is the change from 818 to 284
Calculation steps:
[( 284 - 818 ) ÷ 818] x 100 = -65.28%
Formula
Percentage change = [(284 - 818) / 818] x 100
Subtract the new number by the original number
284 - 818 = -534
-534 ÷ 818 = -0.6528117359413202
-0.6528117359413202 x 100 = -65.28%