99.7% is the change from 332 to 663
Calculation steps:
[( 663 - 332 ) ÷ 332] x 100 = 99.7%
Formula
Percentage change = [(663 - 332) / 332] x 100
Subtract the new number by the original number
663 - 332 = 331
331 ÷ 332 = 0.9969879518072289
0.9969879518072289 x 100 = 99.7%