8475% is the change from 4 to 343
Calculation steps:
[( 343 - 4 ) ÷ 4] x 100 = 8475%
Formula
Percentage change = [(343 - 4) / 4] x 100
Subtract the new number by the original number
343 - 4 = 339
339 ÷ 4 = 84.75
84.75 x 100 = 8475%
Example