145.16% is the change from 31 to 76
Calculation steps:
[( 76 - 31 ) ÷ 31] x 100 = 145.16%
Formula
Percentage change = [(76 - 31) / 31] x 100
Subtract the new number by the original number
76 - 31 = 45
45 ÷ 31 = 1.4516129032258065
1.4516129032258065 x 100 = 145.16%