146.78% is the change from 342 to 844
Calculation steps:
[( 844 - 342 ) ÷ 342] x 100 = 146.78%
Formula
Percentage change = [(844 - 342) / 342] x 100
Subtract the new number by the original number
844 - 342 = 502
502 ÷ 342 = 1.4678362573099415
1.4678362573099415 x 100 = 146.78%