-48.96% is the change from 480 to 245
Calculation steps:
[( 245 - 480 ) ÷ 480] x 100 = -48.96%
Formula
Percentage change = [(245 - 480) / 480] x 100
Subtract the new number by the original number
245 - 480 = -235
-235 ÷ 480 = -0.4895833333333333
-0.4895833333333333 x 100 = -48.96%