214.56% is the change from 103 to 324
Calculation steps:
[( 324 - 103 ) ÷ 103] x 100 = 214.56%
Formula
Percentage change = [(324 - 103) / 103] x 100
Subtract the new number by the original number
324 - 103 = 221
221 ÷ 103 = 2.145631067961165
2.145631067961165 x 100 = 214.56%