102.11% is the change from 331 to 669
Calculation steps:
[( 669 - 331 ) ÷ 331] x 100 = 102.11%
Formula
Percentage change = [(669 - 331) / 331] x 100
Subtract the new number by the original number
669 - 331 = 338
338 ÷ 331 = 1.0211480362537764
1.0211480362537764 x 100 = 102.11%