81.73% is the change from 531 to 965
Calculation steps:
[( 965 - 531 ) ÷ 531] x 100 = 81.73%
Formula
Percentage change = [(965 - 531) / 531] x 100
Subtract the new number by the original number
965 - 531 = 434
434 ÷ 531 = 0.8173258003766478
0.8173258003766478 x 100 = 81.73%