33.28% is the change from 661 to 881
Calculation steps:
[( 881 - 661 ) ÷ 661] x 100 = 33.28%
Formula
Percentage change = [(881 - 661) / 661] x 100
Subtract the new number by the original number
881 - 661 = 220
220 ÷ 661 = 0.3328290468986384
0.3328290468986384 x 100 = 33.28%