9.77% is the change from 133 to 146
Calculation steps:
[( 146 - 133 ) ÷ 133] x 100 = 9.77%
Formula
Percentage change = [(146 - 133) / 133] x 100
Subtract the new number by the original number
146 - 133 = 13
13 ÷ 133 = 0.09774436090225563
0.09774436090225563 x 100 = 9.77%