-79.46% is the change from 808 to 166
Calculation steps:
[( 166 - 808 ) ÷ 808] x 100 = -79.46%
Formula
Percentage change = [(166 - 808) / 808] x 100
Subtract the new number by the original number
166 - 808 = -642
-642 ÷ 808 = -0.7945544554455446
-0.7945544554455446 x 100 = -79.46%