-83.28% is the change from 287 to 48
Calculation steps:
[( 48 - 287 ) ÷ 287] x 100 = -83.28%
Formula
Percentage change = [(48 - 287) / 287] x 100
Subtract the new number by the original number
48 - 287 = -239
-239 ÷ 287 = -0.8327526132404182
-0.8327526132404182 x 100 = -83.28%