114.98% is the change from 307 to 660
Calculation steps:
[( 660 - 307 ) ÷ 307] x 100 = 114.98%
Formula
Percentage change = [(660 - 307) / 307] x 100
Subtract the new number by the original number
660 - 307 = 353
353 ÷ 307 = 1.1498371335504887
1.1498371335504887 x 100 = 114.98%