290.57% is the change from 212 to 828
Calculation steps:
[( 828 - 212 ) ÷ 212] x 100 = 290.57%
Formula
Percentage change = [(828 - 212) / 212] x 100
Subtract the new number by the original number
828 - 212 = 616
616 ÷ 212 = 2.9056603773584904
2.9056603773584904 x 100 = 290.57%