-28.21% is the change from 865 to 621
Calculation steps:
[( 621 - 865 ) ÷ 865] x 100 = -28.21%
Formula
Percentage change = [(621 - 865) / 865] x 100
Subtract the new number by the original number
621 - 865 = -244
-244 ÷ 865 = -0.28208092485549136
-0.28208092485549136 x 100 = -28.21%