266.35% is the change from 211 to 773
Calculation steps:
[( 773 - 211 ) ÷ 211] x 100 = 266.35%
Formula
Percentage change = [(773 - 211) / 211] x 100
Subtract the new number by the original number
773 - 211 = 562
562 ÷ 211 = 2.6635071090047395
2.6635071090047395 x 100 = 266.35%