880% is the change from 35 to 343
Calculation steps:
[( 343 - 35 ) ÷ 35] x 100 = 880%
Formula
Percentage change = [(343 - 35) / 35] x 100
Subtract the new number by the original number
343 - 35 = 308
308 ÷ 35 = 8.8
8.8 x 100 = 880%
Example