-48.08% is the change from 312 to 162
Calculation steps:
[( 162 - 312 ) ÷ 312] x 100 = -48.08%
Formula
Percentage change = [(162 - 312) / 312] x 100
Subtract the new number by the original number
162 - 312 = -150
-150 ÷ 312 = -0.4807692307692308
-0.4807692307692308 x 100 = -48.08%