3.72% is the change from 215 to 223
Calculation steps:
[( 223 - 215 ) ÷ 215] x 100 = 3.72%
Formula
Percentage change = [(223 - 215) / 215] x 100
Subtract the new number by the original number
223 - 215 = 8
8 ÷ 215 = 0.037209302325581395
0.037209302325581395 x 100 = 3.72%