186.36% is the change from 66 to 189
Calculation steps:
[( 189 - 66 ) ÷ 66] x 100 = 186.36%
Formula
Percentage change = [(189 - 66) / 66] x 100
Subtract the new number by the original number
189 - 66 = 123
123 ÷ 66 = 1.8636363636363635
1.8636363636363635 x 100 = 186.36%