94.86% is the change from 331 to 645
Calculation steps:
[( 645 - 331 ) ÷ 331] x 100 = 94.86%
Formula
Percentage change = [(645 - 331) / 331] x 100
Subtract the new number by the original number
645 - 331 = 314
314 ÷ 331 = 0.9486404833836858
0.9486404833836858 x 100 = 94.86%