-54.42% is the change from 849 to 387
Calculation steps:
[( 387 - 849 ) ÷ 849] x 100 = -54.42%
Formula
Percentage change = [(387 - 849) / 849] x 100
Subtract the new number by the original number
387 - 849 = -462
-462 ÷ 849 = -0.5441696113074205
-0.5441696113074205 x 100 = -54.42%