164.52% is the change from 31 to 82
Calculation steps:
[( 82 - 31 ) ÷ 31] x 100 = 164.52%
Formula
Percentage change = [(82 - 31) / 31] x 100
Subtract the new number by the original number
82 - 31 = 51
51 ÷ 31 = 1.6451612903225807
1.6451612903225807 x 100 = 164.52%