1528% is the change from 50 to 814
Calculation steps:
[( 814 - 50 ) ÷ 50] x 100 = 1528%
Formula
Percentage change = [(814 - 50) / 50] x 100
Subtract the new number by the original number
814 - 50 = 764
764 ÷ 50 = 15.28
15.28 x 100 = 1528%
Example