102.2% is the change from 91 to 184
Calculation steps:
[( 184 - 91 ) ÷ 91] x 100 = 102.2%
Formula
Percentage change = [(184 - 91) / 91] x 100
Subtract the new number by the original number
184 - 91 = 93
93 ÷ 91 = 1.021978021978022
1.021978021978022 x 100 = 102.2%