208.33% is the change from 264 to 814
Calculation steps:
[( 814 - 264 ) ÷ 264] x 100 = 208.33%
Formula
Percentage change = [(814 - 264) / 264] x 100
Subtract the new number by the original number
814 - 264 = 550
550 ÷ 264 = 2.0833333333333335
2.0833333333333335 x 100 = 208.33%