-54.15% is the change from 844 to 387
Calculation steps:
[( 387 - 844 ) ÷ 844] x 100 = -54.15%
Formula
Percentage change = [(387 - 844) / 844] x 100
Subtract the new number by the original number
387 - 844 = -457
-457 ÷ 844 = -0.5414691943127962
-0.5414691943127962 x 100 = -54.15%