97.9% is the change from 334 to 661
Calculation steps:
[( 661 - 334 ) ÷ 334] x 100 = 97.9%
Formula
Percentage change = [(661 - 334) / 334] x 100
Subtract the new number by the original number
661 - 334 = 327
327 ÷ 334 = 0.9790419161676647
0.9790419161676647 x 100 = 97.9%