-55.26% is the change from 342 to 153
Calculation steps:
[( 153 - 342 ) ÷ 342] x 100 = -55.26%
Formula
Percentage change = [(153 - 342) / 342] x 100
Subtract the new number by the original number
153 - 342 = -189
-189 ÷ 342 = -0.5526315789473685
-0.5526315789473685 x 100 = -55.26%