276.61% is the change from 218 to 821
Calculation steps:
[( 821 - 218 ) ÷ 218] x 100 = 276.61%
Formula
Percentage change = [(821 - 218) / 218] x 100
Subtract the new number by the original number
821 - 218 = 603
603 ÷ 218 = 2.7660550458715596
2.7660550458715596 x 100 = 276.61%