1428% is the change from 50 to 764
Calculation steps:
[( 764 - 50 ) ÷ 50] x 100 = 1428%
Formula
Percentage change = [(764 - 50) / 50] x 100
Subtract the new number by the original number
764 - 50 = 714
714 ÷ 50 = 14.28
14.28 x 100 = 1428%
Example