52.47% is the change from 223 to 340
Calculation steps:
[( 340 - 223 ) ÷ 223] x 100 = 52.47%
Formula
Percentage change = [(340 - 223) / 223] x 100
Subtract the new number by the original number
340 - 223 = 117
117 ÷ 223 = 0.5246636771300448
0.5246636771300448 x 100 = 52.47%