266.51% is the change from 212 to 777
Calculation steps:
[( 777 - 212 ) ÷ 212] x 100 = 266.51%
Formula
Percentage change = [(777 - 212) / 212] x 100
Subtract the new number by the original number
777 - 212 = 565
565 ÷ 212 = 2.6650943396226414
2.6650943396226414 x 100 = 266.51%