131.51% is the change from 311 to 720
Calculation steps:
[( 720 - 311 ) ÷ 311] x 100 = 131.51%
Formula
Percentage change = [(720 - 311) / 311] x 100
Subtract the new number by the original number
720 - 311 = 409
409 ÷ 311 = 1.315112540192926
1.315112540192926 x 100 = 131.51%