1928.57% is the change from 14 to 284
Calculation steps:
[( 284 - 14 ) ÷ 14] x 100 = 1928.57%
Formula
Percentage change = [(284 - 14) / 14] x 100
Subtract the new number by the original number
284 - 14 = 270
270 ÷ 14 = 19.285714285714285
19.285714285714285 x 100 = 1928.57%