58.33% is the change from 12 to 19
Calculation steps:
[( 19 - 12 ) ÷ 12] x 100 = 58.33%
Formula
Percentage change = [(19 - 12) / 12] x 100
Subtract the new number by the original number
19 - 12 = 7
7 ÷ 12 = 0.5833333333333334
0.5833333333333334 x 100 = 58.33%