254.02% is the change from 87 to 308
Calculation steps:
[( 308 - 87 ) ÷ 87] x 100 = 254.02%
Formula
Percentage change = [(308 - 87) / 87] x 100
Subtract the new number by the original number
308 - 87 = 221
221 ÷ 87 = 2.5402298850574714
2.5402298850574714 x 100 = 254.02%