1100% is the change from 27 to 324
Calculation steps:
[( 324 - 27 ) ÷ 27] x 100 = 1100%
Formula
Percentage change = [(324 - 27) / 27] x 100
Subtract the new number by the original number
324 - 27 = 297
297 ÷ 27 = 11
11 x 100 = 1100%
Example