1420% is the change from 50 to 760
Calculation steps:
[( 760 - 50 ) ÷ 50] x 100 = 1420%
Formula
Percentage change = [(760 - 50) / 50] x 100
Subtract the new number by the original number
760 - 50 = 710
710 ÷ 50 = 14.2
14.2 x 100 = 1420%
Example