-50.62% is the change from 162 to 80
Calculation steps:
[( 80 - 162 ) ÷ 162] x 100 = -50.62%
Formula
Percentage change = [(80 - 162) / 162] x 100
Subtract the new number by the original number
80 - 162 = -82
-82 ÷ 162 = -0.5061728395061729
-0.5061728395061729 x 100 = -50.62%