-54.34% is the change from 876 to 400
Calculation steps:
[( 400 - 876 ) ÷ 876] x 100 = -54.34%
Formula
Percentage change = [(400 - 876) / 876] x 100
Subtract the new number by the original number
400 - 876 = -476
-476 ÷ 876 = -0.54337899543379
-0.54337899543379 x 100 = -54.34%