117.11% is the change from 304 to 660
Calculation steps:
[( 660 - 304 ) ÷ 304] x 100 = 117.11%
Formula
Percentage change = [(660 - 304) / 304] x 100
Subtract the new number by the original number
660 - 304 = 356
356 ÷ 304 = 1.1710526315789473
1.1710526315789473 x 100 = 117.11%