-54.47% is the change from 828 to 377
Calculation steps:
[( 377 - 828 ) ÷ 828] x 100 = -54.47%
Formula
Percentage change = [(377 - 828) / 828] x 100
Subtract the new number by the original number
377 - 828 = -451
-451 ÷ 828 = -0.5446859903381642
-0.5446859903381642 x 100 = -54.47%