199.02% is the change from 307 to 918
Calculation steps:
[( 918 - 307 ) ÷ 307] x 100 = 199.02%
Formula
Percentage change = [(918 - 307) / 307] x 100
Subtract the new number by the original number
918 - 307 = 611
611 ÷ 307 = 1.990228013029316
1.990228013029316 x 100 = 199.02%