-50% is the change from 362 to 181
Calculation steps:
[( 181 - 362 ) ÷ 362] x 100 = -50%
Formula
Percentage change = [(181 - 362) / 362] x 100
Subtract the new number by the original number
181 - 362 = -181
-181 ÷ 362 = -0.5
-0.5 x 100 = -50%
Example