-47.66% is the change from 342 to 179
Calculation steps:
[( 179 - 342 ) ÷ 342] x 100 = -47.66%
Formula
Percentage change = [(179 - 342) / 342] x 100
Subtract the new number by the original number
179 - 342 = -163
-163 ÷ 342 = -0.4766081871345029
-0.4766081871345029 x 100 = -47.66%