83.09% is the change from 538 to 985
Calculation steps:
[( 985 - 538 ) ÷ 538] x 100 = 83.09%
Formula
Percentage change = [(985 - 538) / 538] x 100
Subtract the new number by the original number
985 - 538 = 447
447 ÷ 538 = 0.8308550185873605
0.8308550185873605 x 100 = 83.09%