98.37% is the change from 306 to 607
Calculation steps:
[( 607 - 306 ) ÷ 306] x 100 = 98.37%
Formula
Percentage change = [(607 - 306) / 306] x 100
Subtract the new number by the original number
607 - 306 = 301
301 ÷ 306 = 0.9836601307189542
0.9836601307189542 x 100 = 98.37%