-55.34% is the change from 815 to 364
Calculation steps:
[( 364 - 815 ) ÷ 815] x 100 = -55.34%
Formula
Percentage change = [(364 - 815) / 815] x 100
Subtract the new number by the original number
364 - 815 = -451
-451 ÷ 815 = -0.5533742331288344
-0.5533742331288344 x 100 = -55.34%