373.83% is the change from 107 to 507
Calculation steps:
[( 507 - 107 ) ÷ 107] x 100 = 373.83%
Formula
Percentage change = [(507 - 107) / 107] x 100
Subtract the new number by the original number
507 - 107 = 400
400 ÷ 107 = 3.7383177570093458
3.7383177570093458 x 100 = 373.83%