101.1% is the change from 91 to 183
Calculation steps:
[( 183 - 91 ) ÷ 91] x 100 = 101.1%
Formula
Percentage change = [(183 - 91) / 91] x 100
Subtract the new number by the original number
183 - 91 = 92
92 ÷ 91 = 1.010989010989011
1.010989010989011 x 100 = 101.1%