-55.15% is the change from 816 to 366
Calculation steps:
[( 366 - 816 ) ÷ 816] x 100 = -55.15%
Formula
Percentage change = [(366 - 816) / 816] x 100
Subtract the new number by the original number
366 - 816 = -450
-450 ÷ 816 = -0.5514705882352942
-0.5514705882352942 x 100 = -55.15%