-53.73% is the change from 858 to 397
Calculation steps:
[( 397 - 858 ) ÷ 858] x 100 = -53.73%
Formula
Percentage change = [(397 - 858) / 858] x 100
Subtract the new number by the original number
397 - 858 = -461
-461 ÷ 858 = -0.5372960372960373
-0.5372960372960373 x 100 = -53.73%