138.15% is the change from 346 to 824
Calculation steps:
[( 824 - 346 ) ÷ 346] x 100 = 138.15%
Formula
Percentage change = [(824 - 346) / 346] x 100
Subtract the new number by the original number
824 - 346 = 478
478 ÷ 346 = 1.3815028901734103
1.3815028901734103 x 100 = 138.15%