-53.42% is the change from 833 to 388
Calculation steps:
[( 388 - 833 ) ÷ 833] x 100 = -53.42%
Formula
Percentage change = [(388 - 833) / 833] x 100
Subtract the new number by the original number
388 - 833 = -445
-445 ÷ 833 = -0.5342136854741897
-0.5342136854741897 x 100 = -53.42%