138.14% is the change from 312 to 743
Calculation steps:
[( 743 - 312 ) ÷ 312] x 100 = 138.14%
Formula
Percentage change = [(743 - 312) / 312] x 100
Subtract the new number by the original number
743 - 312 = 431
431 ÷ 312 = 1.3814102564102564
1.3814102564102564 x 100 = 138.14%