28.32% is the change from 173 to 222
Calculation steps:
[( 222 - 173 ) ÷ 173] x 100 = 28.32%
Formula
Percentage change = [(222 - 173) / 173] x 100
Subtract the new number by the original number
222 - 173 = 49
49 ÷ 173 = 0.2832369942196532
0.2832369942196532 x 100 = 28.32%