146.36% is the change from 343 to 845
Calculation steps:
[( 845 - 343 ) ÷ 343] x 100 = 146.36%
Formula
Percentage change = [(845 - 343) / 343] x 100
Subtract the new number by the original number
845 - 343 = 502
502 ÷ 343 = 1.4635568513119535
1.4635568513119535 x 100 = 146.36%