126.82% is the change from 343 to 778
Calculation steps:
[( 778 - 343 ) ÷ 343] x 100 = 126.82%
Formula
Percentage change = [(778 - 343) / 343] x 100
Subtract the new number by the original number
778 - 343 = 435
435 ÷ 343 = 1.2682215743440233
1.2682215743440233 x 100 = 126.82%