-71.09% is the change from 837 to 242
Calculation steps:
[( 242 - 837 ) ÷ 837] x 100 = -71.09%
Formula
Percentage change = [(242 - 837) / 837] x 100
Subtract the new number by the original number
242 - 837 = -595
-595 ÷ 837 = -0.7108721624850657
-0.7108721624850657 x 100 = -71.09%