13.21% is the change from 212 to 240
Calculation steps:
[( 240 - 212 ) ÷ 212] x 100 = 13.21%
Formula
Percentage change = [(240 - 212) / 212] x 100
Subtract the new number by the original number
240 - 212 = 28
28 ÷ 212 = 0.1320754716981132
0.1320754716981132 x 100 = 13.21%