213.91% is the change from 266 to 835
Calculation steps:
[( 835 - 266 ) ÷ 266] x 100 = 213.91%
Formula
Percentage change = [(835 - 266) / 266] x 100
Subtract the new number by the original number
835 - 266 = 569
569 ÷ 266 = 2.1390977443609023
2.1390977443609023 x 100 = 213.91%