-55.3% is the change from 812 to 363
Calculation steps:
[( 363 - 812 ) ÷ 812] x 100 = -55.3%
Formula
Percentage change = [(363 - 812) / 812] x 100
Subtract the new number by the original number
363 - 812 = -449
-449 ÷ 812 = -0.5529556650246306
-0.5529556650246306 x 100 = -55.3%