-15.63% is the change from 192 to 162
Calculation steps:
[( 162 - 192 ) ÷ 192] x 100 = -15.63%
Formula
Percentage change = [(162 - 192) / 192] x 100
Subtract the new number by the original number
162 - 192 = -30
-30 ÷ 192 = -0.15625
-0.15625 x 100 = -15.63%