-38.68% is the change from 861 to 528
Calculation steps:
[( 528 - 861 ) ÷ 861] x 100 = -38.68%
Formula
Percentage change = [(528 - 861) / 861] x 100
Subtract the new number by the original number
528 - 861 = -333
-333 ÷ 861 = -0.3867595818815331
-0.3867595818815331 x 100 = -38.68%