287.36% is the change from 87 to 337
Calculation steps:
[( 337 - 87 ) ÷ 87] x 100 = 287.36%
Formula
Percentage change = [(337 - 87) / 87] x 100
Subtract the new number by the original number
337 - 87 = 250
250 ÷ 87 = 2.8735632183908044
2.8735632183908044 x 100 = 287.36%