149.7% is the change from 336 to 839
Calculation steps:
[( 839 - 336 ) ÷ 336] x 100 = 149.7%
Formula
Percentage change = [(839 - 336) / 336] x 100
Subtract the new number by the original number
839 - 336 = 503
503 ÷ 336 = 1.4970238095238095
1.4970238095238095 x 100 = 149.7%