-29.96% is the change from 247 to 173
Calculation steps:
[( 173 - 247 ) ÷ 247] x 100 = -29.96%
Formula
Percentage change = [(173 - 247) / 247] x 100
Subtract the new number by the original number
173 - 247 = -74
-74 ÷ 247 = -0.29959514170040485
-0.29959514170040485 x 100 = -29.96%