141.69% is the change from 343 to 829
Calculation steps:
[( 829 - 343 ) ÷ 343] x 100 = 141.69%
Formula
Percentage change = [(829 - 343) / 343] x 100
Subtract the new number by the original number
829 - 343 = 486
486 ÷ 343 = 1.4169096209912537
1.4169096209912537 x 100 = 141.69%