35.91% is the change from 660 to 897
Calculation steps:
[( 897 - 660 ) ÷ 660] x 100 = 35.91%
Formula
Percentage change = [(897 - 660) / 660] x 100
Subtract the new number by the original number
897 - 660 = 237
237 ÷ 660 = 0.35909090909090907
0.35909090909090907 x 100 = 35.91%