-9.7% is the change from 268 to 242
Calculation steps:
[( 242 - 268 ) ÷ 268] x 100 = -9.7%
Formula
Percentage change = [(242 - 268) / 268] x 100
Subtract the new number by the original number
242 - 268 = -26
-26 ÷ 268 = -0.09701492537313433
-0.09701492537313433 x 100 = -9.7%