40.83% is the change from 218 to 307
Calculation steps:
[( 307 - 218 ) ÷ 218] x 100 = 40.83%
Formula
Percentage change = [(307 - 218) / 218] x 100
Subtract the new number by the original number
307 - 218 = 89
89 ÷ 218 = 0.40825688073394495
0.40825688073394495 x 100 = 40.83%