197.71% is the change from 306 to 911
Calculation steps:
[( 911 - 306 ) ÷ 306] x 100 = 197.71%
Formula
Percentage change = [(911 - 306) / 306] x 100
Subtract the new number by the original number
911 - 306 = 605
605 ÷ 306 = 1.977124183006536
1.977124183006536 x 100 = 197.71%