850% is the change from 26 to 247
Calculation steps:
[( 247 - 26 ) ÷ 26] x 100 = 850%
Formula
Percentage change = [(247 - 26) / 26] x 100
Subtract the new number by the original number
247 - 26 = 221
221 ÷ 26 = 8.5
8.5 x 100 = 850%
Example