-15.38% is the change from 286 to 242
Calculation steps:
[( 242 - 286 ) ÷ 286] x 100 = -15.38%
Formula
Percentage change = [(242 - 286) / 286] x 100
Subtract the new number by the original number
242 - 286 = -44
-44 ÷ 286 = -0.15384615384615385
-0.15384615384615385 x 100 = -15.38%