800% is the change from 27 to 243
Calculation steps:
[( 243 - 27 ) ÷ 27] x 100 = 800%
Formula
Percentage change = [(243 - 27) / 27] x 100
Subtract the new number by the original number
243 - 27 = 216
216 ÷ 27 = 8
8 x 100 = 800%
Example