148.96% is the change from 337 to 839
Calculation steps:
[( 839 - 337 ) ÷ 337] x 100 = 148.96%
Formula
Percentage change = [(839 - 337) / 337] x 100
Subtract the new number by the original number
839 - 337 = 502
502 ÷ 337 = 1.489614243323442
1.489614243323442 x 100 = 148.96%