-29.39% is the change from 245 to 173
Calculation steps:
[( 173 - 245 ) ÷ 245] x 100 = -29.39%
Formula
Percentage change = [(173 - 245) / 245] x 100
Subtract the new number by the original number
173 - 245 = -72
-72 ÷ 245 = -0.2938775510204082
-0.2938775510204082 x 100 = -29.39%