-37.3% is the change from 858 to 538
Calculation steps:
[( 538 - 858 ) ÷ 858] x 100 = -37.3%
Formula
Percentage change = [(538 - 858) / 858] x 100
Subtract the new number by the original number
538 - 858 = -320
-320 ÷ 858 = -0.372960372960373
-0.372960372960373 x 100 = -37.3%