187.5% is the change from 288 to 828
Calculation steps:
[( 828 - 288 ) ÷ 288] x 100 = 187.5%
Formula
Percentage change = [(828 - 288) / 288] x 100
Subtract the new number by the original number
828 - 288 = 540
540 ÷ 288 = 1.875
1.875 x 100 = 187.5%
Example