-52.48% is the change from 343 to 163
Calculation steps:
[( 163 - 343 ) ÷ 343] x 100 = -52.48%
Formula
Percentage change = [(163 - 343) / 343] x 100
Subtract the new number by the original number
163 - 343 = -180
-180 ÷ 343 = -0.5247813411078717
-0.5247813411078717 x 100 = -52.48%