121.57% is the change from 343 to 760
Calculation steps:
[( 760 - 343 ) ÷ 343] x 100 = 121.57%
Formula
Percentage change = [(760 - 343) / 343] x 100
Subtract the new number by the original number
760 - 343 = 417
417 ÷ 343 = 1.215743440233236
1.215743440233236 x 100 = 121.57%