9800% is the change from 3 to 297
Calculation steps:
[( 297 - 3 ) ÷ 3] x 100 = 9800%
Formula
Percentage change = [(297 - 3) / 3] x 100
Subtract the new number by the original number
297 - 3 = 294
294 ÷ 3 = 98
98 x 100 = 9800%
Example