1508% is the change from 50 to 804
Calculation steps:
[( 804 - 50 ) ÷ 50] x 100 = 1508%
Formula
Percentage change = [(804 - 50) / 50] x 100
Subtract the new number by the original number
804 - 50 = 754
754 ÷ 50 = 15.08
15.08 x 100 = 1508%
Example