6.45% is the change from 186 to 198
Calculation steps:
[( 198 - 186 ) ÷ 186] x 100 = 6.45%
Formula
Percentage change = [(198 - 186) / 186] x 100
Subtract the new number by the original number
198 - 186 = 12
12 ÷ 186 = 0.06451612903225806
0.06451612903225806 x 100 = 6.45%