-47.73% is the change from 308 to 161
Calculation steps:
[( 161 - 308 ) ÷ 308] x 100 = -47.73%
Formula
Percentage change = [(161 - 308) / 308] x 100
Subtract the new number by the original number
161 - 308 = -147
-147 ÷ 308 = -0.4772727272727273
-0.4772727272727273 x 100 = -47.73%