-38.69% is the change from 858 to 526
Calculation steps:
[( 526 - 858 ) ÷ 858] x 100 = -38.69%
Formula
Percentage change = [(526 - 858) / 858] x 100
Subtract the new number by the original number
526 - 858 = -332
-332 ÷ 858 = -0.38694638694638694
-0.38694638694638694 x 100 = -38.69%