290.4% is the change from 198 to 773
Calculation steps:
[( 773 - 198 ) ÷ 198] x 100 = 290.4%
Formula
Percentage change = [(773 - 198) / 198] x 100
Subtract the new number by the original number
773 - 198 = 575
575 ÷ 198 = 2.904040404040404
2.904040404040404 x 100 = 290.4%