9800% is the change from 4 to 396
Calculation steps:
[( 396 - 4 ) ÷ 4] x 100 = 9800%
Formula
Percentage change = [(396 - 4) / 4] x 100
Subtract the new number by the original number
396 - 4 = 392
392 ÷ 4 = 98
98 x 100 = 9800%
Example