138.9% is the change from 347 to 829
Calculation steps:
[( 829 - 347 ) ÷ 347] x 100 = 138.9%
Formula
Percentage change = [(829 - 347) / 347] x 100
Subtract the new number by the original number
829 - 347 = 482
482 ÷ 347 = 1.3890489913544668
1.3890489913544668 x 100 = 138.9%