217.54% is the change from 268 to 851
Calculation steps:
[( 851 - 268 ) ÷ 268] x 100 = 217.54%
Formula
Percentage change = [(851 - 268) / 268] x 100
Subtract the new number by the original number
851 - 268 = 583
583 ÷ 268 = 2.175373134328358
2.175373134328358 x 100 = 217.54%