8.43% is the change from 166 to 180
Calculation steps:
[( 180 - 166 ) ÷ 166] x 100 = 8.43%
Formula
Percentage change = [(180 - 166) / 166] x 100
Subtract the new number by the original number
180 - 166 = 14
14 ÷ 166 = 0.08433734939759036
0.08433734939759036 x 100 = 8.43%