266.28% is the change from 86 to 315
Calculation steps:
[( 315 - 86 ) ÷ 86] x 100 = 266.28%
Formula
Percentage change = [(315 - 86) / 86] x 100
Subtract the new number by the original number
315 - 86 = 229
229 ÷ 86 = 2.6627906976744184
2.6627906976744184 x 100 = 266.28%