200% is the change from 276 to 828
Calculation steps:
[( 828 - 276 ) ÷ 276] x 100 = 200%
Formula
Percentage change = [(828 - 276) / 276] x 100
Subtract the new number by the original number
828 - 276 = 552
552 ÷ 276 = 2
2 x 100 = 200%
Example