-26.75% is the change from 856 to 627
Calculation steps:
[( 627 - 856 ) ÷ 856] x 100 = -26.75%
Formula
Percentage change = [(627 - 856) / 856] x 100
Subtract the new number by the original number
627 - 856 = -229
-229 ÷ 856 = -0.2675233644859813
-0.2675233644859813 x 100 = -26.75%