288.94% is the change from 208 to 809
Calculation steps:
[( 809 - 208 ) ÷ 208] x 100 = 288.94%
Formula
Percentage change = [(809 - 208) / 208] x 100
Subtract the new number by the original number
809 - 208 = 601
601 ÷ 208 = 2.889423076923077
2.889423076923077 x 100 = 288.94%