32.98% is the change from 661 to 879
Calculation steps:
[( 879 - 661 ) ÷ 661] x 100 = 32.98%
Formula
Percentage change = [(879 - 661) / 661] x 100
Subtract the new number by the original number
879 - 661 = 218
218 ÷ 661 = 0.329803328290469
0.329803328290469 x 100 = 32.98%