-49.38% is the change from 162 to 82
Calculation steps:
[( 82 - 162 ) ÷ 162] x 100 = -49.38%
Formula
Percentage change = [(82 - 162) / 162] x 100
Subtract the new number by the original number
82 - 162 = -80
-80 ÷ 162 = -0.49382716049382713
-0.49382716049382713 x 100 = -49.38%