32.68% is the change from 664 to 881
Calculation steps:
[( 881 - 664 ) ÷ 664] x 100 = 32.68%
Formula
Percentage change = [(881 - 664) / 664] x 100
Subtract the new number by the original number
881 - 664 = 217
217 ÷ 664 = 0.32680722891566266
0.32680722891566266 x 100 = 32.68%