66.33% is the change from 300 to 499
Calculation steps:
[( 499 - 300 ) ÷ 300] x 100 = 66.33%
Formula
Percentage change = [(499 - 300) / 300] x 100
Subtract the new number by the original number
499 - 300 = 199
199 ÷ 300 = 0.6633333333333333
0.6633333333333333 x 100 = 66.33%