95.47% is the change from 331 to 647
Calculation steps:
[( 647 - 331 ) ÷ 331] x 100 = 95.47%
Formula
Percentage change = [(647 - 331) / 331] x 100
Subtract the new number by the original number
647 - 331 = 316
316 ÷ 331 = 0.9546827794561934
0.9546827794561934 x 100 = 95.47%