-52.2% is the change from 341 to 163
Calculation steps:
[( 163 - 341 ) ÷ 341] x 100 = -52.2%
Formula
Percentage change = [(163 - 341) / 341] x 100
Subtract the new number by the original number
163 - 341 = -178
-178 ÷ 341 = -0.5219941348973607
-0.5219941348973607 x 100 = -52.2%