31.92% is the change from 661 to 872
Calculation steps:
[( 872 - 661 ) ÷ 661] x 100 = 31.92%
Formula
Percentage change = [(872 - 661) / 661] x 100
Subtract the new number by the original number
872 - 661 = 211
211 ÷ 661 = 0.31921331316187596
0.31921331316187596 x 100 = 31.92%