98.69% is the change from 305 to 606
Calculation steps:
[( 606 - 305 ) ÷ 305] x 100 = 98.69%
Formula
Percentage change = [(606 - 305) / 305] x 100
Subtract the new number by the original number
606 - 305 = 301
301 ÷ 305 = 0.9868852459016394
0.9868852459016394 x 100 = 98.69%