-53.31% is the change from 861 to 402
Calculation steps:
[( 402 - 861 ) ÷ 861] x 100 = -53.31%
Formula
Percentage change = [(402 - 861) / 861] x 100
Subtract the new number by the original number
402 - 861 = -459
-459 ÷ 861 = -0.5331010452961672
-0.5331010452961672 x 100 = -53.31%