249.5% is the change from 200 to 699
Calculation steps:
[( 699 - 200 ) ÷ 200] x 100 = 249.5%
Formula
Percentage change = [(699 - 200) / 200] x 100
Subtract the new number by the original number
699 - 200 = 499
499 ÷ 200 = 2.495
2.495 x 100 = 249.5%
Example