-73.52% is the change from 861 to 228
Calculation steps:
[( 228 - 861 ) ÷ 861] x 100 = -73.52%
Formula
Percentage change = [(228 - 861) / 861] x 100
Subtract the new number by the original number
228 - 861 = -633
-633 ÷ 861 = -0.735191637630662
-0.735191637630662 x 100 = -73.52%