-35.67% is the change from 342 to 220
Calculation steps:
[( 220 - 342 ) ÷ 342] x 100 = -35.67%
Formula
Percentage change = [(220 - 342) / 342] x 100
Subtract the new number by the original number
220 - 342 = -122
-122 ÷ 342 = -0.3567251461988304
-0.3567251461988304 x 100 = -35.67%