10100% is the change from 3 to 306
Calculation steps:
[( 306 - 3 ) ÷ 3] x 100 = 10100%
Formula
Percentage change = [(306 - 3) / 3] x 100
Subtract the new number by the original number
306 - 3 = 303
303 ÷ 3 = 101
101 x 100 = 10100%
Example