34.8% is the change from 661 to 891
Calculation steps:
[( 891 - 661 ) ÷ 661] x 100 = 34.8%
Formula
Percentage change = [(891 - 661) / 661] x 100
Subtract the new number by the original number
891 - 661 = 230
230 ÷ 661 = 0.34795763993948564
0.34795763993948564 x 100 = 34.8%