-54.19% is the change from 847 to 388
Calculation steps:
[( 388 - 847 ) ÷ 847] x 100 = -54.19%
Formula
Percentage change = [(388 - 847) / 847] x 100
Subtract the new number by the original number
388 - 847 = -459
-459 ÷ 847 = -0.5419126328217237
-0.5419126328217237 x 100 = -54.19%