138.26% is the change from 345 to 822
Calculation steps:
[( 822 - 345 ) ÷ 345] x 100 = 138.26%
Formula
Percentage change = [(822 - 345) / 345] x 100
Subtract the new number by the original number
822 - 345 = 477
477 ÷ 345 = 1.382608695652174
1.382608695652174 x 100 = 138.26%