-39.59% is the change from 869 to 525
Calculation steps:
[( 525 - 869 ) ÷ 869] x 100 = -39.59%
Formula
Percentage change = [(525 - 869) / 869] x 100
Subtract the new number by the original number
525 - 869 = -344
-344 ÷ 869 = -0.3958573072497123
-0.3958573072497123 x 100 = -39.59%