-27.49% is the change from 342 to 248
Calculation steps:
[( 248 - 342 ) ÷ 342] x 100 = -27.49%
Formula
Percentage change = [(248 - 342) / 342] x 100
Subtract the new number by the original number
248 - 342 = -94
-94 ÷ 342 = -0.27485380116959063
-0.27485380116959063 x 100 = -27.49%