2375% is the change from 12 to 297
Calculation steps:
[( 297 - 12 ) ÷ 12] x 100 = 2375%
Formula
Percentage change = [(297 - 12) / 12] x 100
Subtract the new number by the original number
297 - 12 = 285
285 ÷ 12 = 23.75
23.75 x 100 = 2375%
Example