1683.33% is the change from 12 to 214
Calculation steps:
[( 214 - 12 ) ÷ 12] x 100 = 1683.33%
Formula
Percentage change = [(214 - 12) / 12] x 100
Subtract the new number by the original number
214 - 12 = 202
202 ÷ 12 = 16.833333333333332
16.833333333333332 x 100 = 1683.33%