200% is the change from 208 to 624
Calculation steps:
[( 624 - 208 ) ÷ 208] x 100 = 200%
Formula
Percentage change = [(624 - 208) / 208] x 100
Subtract the new number by the original number
624 - 208 = 416
416 ÷ 208 = 2
2 x 100 = 200%
Example