199.02% is the change from 305 to 912
Calculation steps:
[( 912 - 305 ) ÷ 305] x 100 = 199.02%
Formula
Percentage change = [(912 - 305) / 305] x 100
Subtract the new number by the original number
912 - 305 = 607
607 ÷ 305 = 1.9901639344262294
1.9901639344262294 x 100 = 199.02%