30.19% is the change from 212 to 276
Calculation steps:
[( 276 - 212 ) ÷ 212] x 100 = 30.19%
Formula
Percentage change = [(276 - 212) / 212] x 100
Subtract the new number by the original number
276 - 212 = 64
64 ÷ 212 = 0.3018867924528302
0.3018867924528302 x 100 = 30.19%