-55.79% is the change from 821 to 363
Calculation steps:
[( 363 - 821 ) ÷ 821] x 100 = -55.79%
Formula
Percentage change = [(363 - 821) / 821] x 100
Subtract the new number by the original number
363 - 821 = -458
-458 ÷ 821 = -0.5578562728380024
-0.5578562728380024 x 100 = -55.79%