93.11% is the change from 334 to 645
Calculation steps:
[( 645 - 334 ) ÷ 334] x 100 = 93.11%
Formula
Percentage change = [(645 - 334) / 334] x 100
Subtract the new number by the original number
645 - 334 = 311
311 ÷ 334 = 0.9311377245508982
0.9311377245508982 x 100 = 93.11%