237.04% is the change from 27 to 91
Calculation steps:
[( 91 - 27 ) ÷ 27] x 100 = 237.04%
Formula
Percentage change = [(91 - 27) / 27] x 100
Subtract the new number by the original number
91 - 27 = 64
64 ÷ 27 = 2.3703703703703702
2.3703703703703702 x 100 = 237.04%