9975% is the change from 4 to 403
Calculation steps:
[( 403 - 4 ) ÷ 4] x 100 = 9975%
Formula
Percentage change = [(403 - 4) / 4] x 100
Subtract the new number by the original number
403 - 4 = 399
399 ÷ 4 = 99.75
99.75 x 100 = 9975%
Example