143.91% is the change from 312 to 761
Calculation steps:
[( 761 - 312 ) ÷ 312] x 100 = 143.91%
Formula
Percentage change = [(761 - 312) / 312] x 100
Subtract the new number by the original number
761 - 312 = 449
449 ÷ 312 = 1.439102564102564
1.439102564102564 x 100 = 143.91%