1536% is the change from 50 to 818
Calculation steps:
[( 818 - 50 ) ÷ 50] x 100 = 1536%
Formula
Percentage change = [(818 - 50) / 50] x 100
Subtract the new number by the original number
818 - 50 = 768
768 ÷ 50 = 15.36
15.36 x 100 = 1536%
Example