121.87% is the change from 343 to 761
Calculation steps:
[( 761 - 343 ) ÷ 343] x 100 = 121.87%
Formula
Percentage change = [(761 - 343) / 343] x 100
Subtract the new number by the original number
761 - 343 = 418
418 ÷ 343 = 1.21865889212828
1.21865889212828 x 100 = 121.87%