135.57% is the change from 343 to 808
Calculation steps:
[( 808 - 343 ) ÷ 343] x 100 = 135.57%
Formula
Percentage change = [(808 - 343) / 343] x 100
Subtract the new number by the original number
808 - 343 = 465
465 ÷ 343 = 1.3556851311953353
1.3556851311953353 x 100 = 135.57%