102.3% is the change from 261 to 528
Calculation steps:
[( 528 - 261 ) ÷ 261] x 100 = 102.3%
Formula
Percentage change = [(528 - 261) / 261] x 100
Subtract the new number by the original number
528 - 261 = 267
267 ÷ 261 = 1.0229885057471264
1.0229885057471264 x 100 = 102.3%