128.74% is the change from 261 to 597
Calculation steps:
[( 597 - 261 ) ÷ 261] x 100 = 128.74%
Formula
Percentage change = [(597 - 261) / 261] x 100
Subtract the new number by the original number
597 - 261 = 336
336 ÷ 261 = 1.2873563218390804
1.2873563218390804 x 100 = 128.74%