-54.19% is the change from 823 to 377
Calculation steps:
[( 377 - 823 ) ÷ 823] x 100 = -54.19%
Formula
Percentage change = [(377 - 823) / 823] x 100
Subtract the new number by the original number
377 - 823 = -446
-446 ÷ 823 = -0.5419198055893074
-0.5419198055893074 x 100 = -54.19%