-34.8% is the change from 342 to 223
Calculation steps:
[( 223 - 342 ) ÷ 342] x 100 = -34.8%
Formula
Percentage change = [(223 - 342) / 342] x 100
Subtract the new number by the original number
223 - 342 = -119
-119 ÷ 342 = -0.347953216374269
-0.347953216374269 x 100 = -34.8%