1691.67% is the change from 12 to 215
Calculation steps:
[( 215 - 12 ) ÷ 12] x 100 = 1691.67%
Formula
Percentage change = [(215 - 12) / 12] x 100
Subtract the new number by the original number
215 - 12 = 203
203 ÷ 12 = 16.916666666666668
16.916666666666668 x 100 = 1691.67%