-49.39% is the change from 488 to 247
Calculation steps:
[( 247 - 488 ) ÷ 488] x 100 = -49.39%
Formula
Percentage change = [(247 - 488) / 488] x 100
Subtract the new number by the original number
247 - 488 = -241
-241 ÷ 488 = -0.49385245901639346
-0.49385245901639346 x 100 = -49.39%