211.65% is the change from 266 to 829
Calculation steps:
[( 829 - 266 ) ÷ 266] x 100 = 211.65%
Formula
Percentage change = [(829 - 266) / 266] x 100
Subtract the new number by the original number
829 - 266 = 563
563 ÷ 266 = 2.1165413533834587
2.1165413533834587 x 100 = 211.65%