300% is the change from 206 to 824
Calculation steps:
[( 824 - 206 ) ÷ 206] x 100 = 300%
Formula
Percentage change = [(824 - 206) / 206] x 100
Subtract the new number by the original number
824 - 206 = 618
618 ÷ 206 = 3
3 x 100 = 300%
Example