154.02% is the change from 261 to 663
Calculation steps:
[( 663 - 261 ) ÷ 261] x 100 = 154.02%
Formula
Percentage change = [(663 - 261) / 261] x 100
Subtract the new number by the original number
663 - 261 = 402
402 ÷ 261 = 1.5402298850574712
1.5402298850574712 x 100 = 154.02%