-22.07% is the change from 222 to 173
Calculation steps:
[( 173 - 222 ) ÷ 222] x 100 = -22.07%
Formula
Percentage change = [(173 - 222) / 222] x 100
Subtract the new number by the original number
173 - 222 = -49
-49 ÷ 222 = -0.22072072072072071
-0.22072072072072071 x 100 = -22.07%