261% is the change from 241 to 870
Calculation steps:
[( 870 - 241 ) ÷ 241] x 100 = 261%
Formula
Percentage change = [(870 - 241) / 241] x 100
Subtract the new number by the original number
870 - 241 = 629
629 ÷ 241 = 2.6099585062240664
2.6099585062240664 x 100 = 261%