-34.5% is the change from 342 to 224
Calculation steps:
[( 224 - 342 ) ÷ 342] x 100 = -34.5%
Formula
Percentage change = [(224 - 342) / 342] x 100
Subtract the new number by the original number
224 - 342 = -118
-118 ÷ 342 = -0.34502923976608185
-0.34502923976608185 x 100 = -34.5%