1234% is the change from 50 to 667
Calculation steps:
[( 667 - 50 ) ÷ 50] x 100 = 1234%
Formula
Percentage change = [(667 - 50) / 50] x 100
Subtract the new number by the original number
667 - 50 = 617
617 ÷ 50 = 12.34
12.34 x 100 = 1234%
Example