100.91% is the change from 331 to 665
Calculation steps:
[( 665 - 331 ) ÷ 331] x 100 = 100.91%
Formula
Percentage change = [(665 - 331) / 331] x 100
Subtract the new number by the original number
665 - 331 = 334
334 ÷ 331 = 1.0090634441087614
1.0090634441087614 x 100 = 100.91%