82.69% is the change from 491 to 897
Calculation steps:
[( 897 - 491 ) ÷ 491] x 100 = 82.69%
Formula
Percentage change = [(897 - 491) / 491] x 100
Subtract the new number by the original number
897 - 491 = 406
406 ÷ 491 = 0.8268839103869654
0.8268839103869654 x 100 = 82.69%