697.67% is the change from 43 to 343
Calculation steps:
[( 343 - 43 ) ÷ 43] x 100 = 697.67%
Formula
Percentage change = [(343 - 43) / 43] x 100
Subtract the new number by the original number
343 - 43 = 300
300 ÷ 43 = 6.976744186046512
6.976744186046512 x 100 = 697.67%