100% is the change from 207 to 414
Calculation steps:
[( 414 - 207 ) ÷ 207] x 100 = 100%
Formula
Percentage change = [(414 - 207) / 207] x 100
Subtract the new number by the original number
414 - 207 = 207
207 ÷ 207 = 1
1 x 100 = 100%
Example