-55.39% is the change from 343 to 153
Calculation steps:
[( 153 - 343 ) ÷ 343] x 100 = -55.39%
Formula
Percentage change = [(153 - 343) / 343] x 100
Subtract the new number by the original number
153 - 343 = -190
-190 ÷ 343 = -0.5539358600583091
-0.5539358600583091 x 100 = -55.39%