19.58% is the change from 143 to 171
Calculation steps:
[( 171 - 143 ) ÷ 143] x 100 = 19.58%
Formula
Percentage change = [(171 - 143) / 143] x 100
Subtract the new number by the original number
171 - 143 = 28
28 ÷ 143 = 0.1958041958041958
0.1958041958041958 x 100 = 19.58%