87.36% is the change from 261 to 489
Calculation steps:
[( 489 - 261 ) ÷ 261] x 100 = 87.36%
Formula
Percentage change = [(489 - 261) / 261] x 100
Subtract the new number by the original number
489 - 261 = 228
228 ÷ 261 = 0.8735632183908046
0.8735632183908046 x 100 = 87.36%