248.43% is the change from 287 to 1000
Calculation steps:
[( 1000 - 287 ) ÷ 287] x 100 = 248.43%
Formula
Percentage change = [(1000 - 287) / 287] x 100
Subtract the new number by the original number
1000 - 287 = 713
713 ÷ 287 = 2.484320557491289
2.484320557491289 x 100 = 248.43%