300.97% is the change from 206 to 826
Calculation steps:
[( 826 - 206 ) ÷ 206] x 100 = 300.97%
Formula
Percentage change = [(826 - 206) / 206] x 100
Subtract the new number by the original number
826 - 206 = 620
620 ÷ 206 = 3.0097087378640777
3.0097087378640777 x 100 = 300.97%