83.24% is the change from 531 to 973
Calculation steps:
[( 973 - 531 ) ÷ 531] x 100 = 83.24%
Formula
Percentage change = [(973 - 531) / 531] x 100
Subtract the new number by the original number
973 - 531 = 442
442 ÷ 531 = 0.832391713747646
0.832391713747646 x 100 = 83.24%