84.18% is the change from 531 to 978
Calculation steps:
[( 978 - 531 ) ÷ 531] x 100 = 84.18%
Formula
Percentage change = [(978 - 531) / 531] x 100
Subtract the new number by the original number
978 - 531 = 447
447 ÷ 531 = 0.8418079096045198
0.8418079096045198 x 100 = 84.18%