-50% is the change from 358 to 179
Calculation steps:
[( 179 - 358 ) ÷ 358] x 100 = -50%
Formula
Percentage change = [(179 - 358) / 358] x 100
Subtract the new number by the original number
179 - 358 = -179
-179 ÷ 358 = -0.5
-0.5 x 100 = -50%
Example