33.64% is the change from 657 to 878
Calculation steps:
[( 878 - 657 ) ÷ 657] x 100 = 33.64%
Formula
Percentage change = [(878 - 657) / 657] x 100
Subtract the new number by the original number
878 - 657 = 221
221 ÷ 657 = 0.3363774733637747
0.3363774733637747 x 100 = 33.64%