8.92% is the change from 897 to 977
Calculation steps:
[( 977 - 897 ) ÷ 897] x 100 = 8.92%
Formula
Percentage change = [(977 - 897) / 897] x 100
Subtract the new number by the original number
977 - 897 = 80
80 ÷ 897 = 0.08918617614269789
0.08918617614269789 x 100 = 8.92%