-71.73% is the change from 856 to 242
Calculation steps:
[( 242 - 856 ) ÷ 856] x 100 = -71.73%
Formula
Percentage change = [(242 - 856) / 856] x 100
Subtract the new number by the original number
242 - 856 = -614
-614 ÷ 856 = -0.7172897196261683
-0.7172897196261683 x 100 = -71.73%