1177.78% is the change from 27 to 345
Calculation steps:
[( 345 - 27 ) ÷ 27] x 100 = 1177.78%
Formula
Percentage change = [(345 - 27) / 27] x 100
Subtract the new number by the original number
345 - 27 = 318
318 ÷ 27 = 11.777777777777779
11.777777777777779 x 100 = 1177.78%