-47.44% is the change from 156 to 82
Calculation steps:
[( 82 - 156 ) ÷ 156] x 100 = -47.44%
Formula
Percentage change = [(82 - 156) / 156] x 100
Subtract the new number by the original number
82 - 156 = -74
-74 ÷ 156 = -0.47435897435897434
-0.47435897435897434 x 100 = -47.44%