243.9% is the change from 287 to 987
Calculation steps:
[( 987 - 287 ) ÷ 287] x 100 = 243.9%
Formula
Percentage change = [(987 - 287) / 287] x 100
Subtract the new number by the original number
987 - 287 = 700
700 ÷ 287 = 2.4390243902439024
2.4390243902439024 x 100 = 243.9%