92.77% is the change from 332 to 640
Calculation steps:
[( 640 - 332 ) ÷ 332] x 100 = 92.77%
Formula
Percentage change = [(640 - 332) / 332] x 100
Subtract the new number by the original number
640 - 332 = 308
308 ÷ 332 = 0.927710843373494
0.927710843373494 x 100 = 92.77%