145.35% is the change from 269 to 660
Calculation steps:
[( 660 - 269 ) ÷ 269] x 100 = 145.35%
Formula
Percentage change = [(660 - 269) / 269] x 100
Subtract the new number by the original number
660 - 269 = 391
391 ÷ 269 = 1.453531598513011
1.453531598513011 x 100 = 145.35%