129.97% is the change from 287 to 660
Calculation steps:
[( 660 - 287 ) ÷ 287] x 100 = 129.97%
Formula
Percentage change = [(660 - 287) / 287] x 100
Subtract the new number by the original number
660 - 287 = 373
373 ÷ 287 = 1.2996515679442509
1.2996515679442509 x 100 = 129.97%