-66.21% is the change from 808 to 273
Calculation steps:
[( 273 - 808 ) ÷ 808] x 100 = -66.21%
Formula
Percentage change = [(273 - 808) / 808] x 100
Subtract the new number by the original number
273 - 808 = -535
-535 ÷ 808 = -0.6621287128712872
-0.6621287128712872 x 100 = -66.21%