-47.8% is the change from 341 to 178
Calculation steps:
[( 178 - 341 ) ÷ 341] x 100 = -47.8%
Formula
Percentage change = [(178 - 341) / 341] x 100
Subtract the new number by the original number
178 - 341 = -163
-163 ÷ 341 = -0.4780058651026393
-0.4780058651026393 x 100 = -47.8%