7.3% is the change from 178 to 191
Calculation steps:
[( 191 - 178 ) ÷ 178] x 100 = 7.3%
Formula
Percentage change = [(191 - 178) / 178] x 100
Subtract the new number by the original number
191 - 178 = 13
13 ÷ 178 = 0.07303370786516854
0.07303370786516854 x 100 = 7.3%