-6.56% is the change from 366 to 342
Calculation steps:
[( 342 - 366 ) ÷ 366] x 100 = -6.56%
Formula
Percentage change = [(342 - 366) / 366] x 100
Subtract the new number by the original number
342 - 366 = -24
-24 ÷ 366 = -0.06557377049180328
-0.06557377049180328 x 100 = -6.56%