-54.31% is the change from 847 to 387
Calculation steps:
[( 387 - 847 ) ÷ 847] x 100 = -54.31%
Formula
Percentage change = [(387 - 847) / 847] x 100
Subtract the new number by the original number
387 - 847 = -460
-460 ÷ 847 = -0.5430932703659976
-0.5430932703659976 x 100 = -54.31%