2128.57% is the change from 14 to 312
Calculation steps:
[( 312 - 14 ) ÷ 14] x 100 = 2128.57%
Formula
Percentage change = [(312 - 14) / 14] x 100
Subtract the new number by the original number
312 - 14 = 298
298 ÷ 14 = 21.285714285714285
21.285714285714285 x 100 = 2128.57%