85.5% is the change from 524 to 972
Calculation steps:
[( 972 - 524 ) ÷ 524] x 100 = 85.5%
Formula
Percentage change = [(972 - 524) / 524] x 100
Subtract the new number by the original number
972 - 524 = 448
448 ÷ 524 = 0.8549618320610687
0.8549618320610687 x 100 = 85.5%