-49.18% is the change from 486 to 247
Calculation steps:
[( 247 - 486 ) ÷ 486] x 100 = -49.18%
Formula
Percentage change = [(247 - 486) / 486] x 100
Subtract the new number by the original number
247 - 486 = -239
-239 ÷ 486 = -0.49176954732510286
-0.49176954732510286 x 100 = -49.18%