46.05% is the change from 215 to 314
Calculation steps:
[( 314 - 215 ) ÷ 215] x 100 = 46.05%
Formula
Percentage change = [(314 - 215) / 215] x 100
Subtract the new number by the original number
314 - 215 = 99
99 ÷ 215 = 0.4604651162790698
0.4604651162790698 x 100 = 46.05%