8525% is the change from 4 to 345
Calculation steps:
[( 345 - 4 ) ÷ 4] x 100 = 8525%
Formula
Percentage change = [(345 - 4) / 4] x 100
Subtract the new number by the original number
345 - 4 = 341
341 ÷ 4 = 85.25
85.25 x 100 = 8525%
Example