977.78% is the change from 27 to 291
Calculation steps:
[( 291 - 27 ) ÷ 27] x 100 = 977.78%
Formula
Percentage change = [(291 - 27) / 27] x 100
Subtract the new number by the original number
291 - 27 = 264
264 ÷ 27 = 9.777777777777779
9.777777777777779 x 100 = 977.78%