10.23% is the change from 215 to 237
Calculation steps:
[( 237 - 215 ) ÷ 215] x 100 = 10.23%
Formula
Percentage change = [(237 - 215) / 215] x 100
Subtract the new number by the original number
237 - 215 = 22
22 ÷ 215 = 0.10232558139534884
0.10232558139534884 x 100 = 10.23%