20.98% is the change from 143 to 173
Calculation steps:
[( 173 - 143 ) ÷ 143] x 100 = 20.98%
Formula
Percentage change = [(173 - 143) / 143] x 100
Subtract the new number by the original number
173 - 143 = 30
30 ÷ 143 = 0.2097902097902098
0.2097902097902098 x 100 = 20.98%