-38.79% is the change from 861 to 527
Calculation steps:
[( 527 - 861 ) ÷ 861] x 100 = -38.79%
Formula
Percentage change = [(527 - 861) / 861] x 100
Subtract the new number by the original number
527 - 861 = -334
-334 ÷ 861 = -0.3879210220673635
-0.3879210220673635 x 100 = -38.79%