9.43% is the change from 212 to 232
Calculation steps:
[( 232 - 212 ) ÷ 212] x 100 = 9.43%
Formula
Percentage change = [(232 - 212) / 212] x 100
Subtract the new number by the original number
232 - 212 = 20
20 ÷ 212 = 0.09433962264150944
0.09433962264150944 x 100 = 9.43%