85.14% is the change from 525 to 972
Calculation steps:
[( 972 - 525 ) ÷ 525] x 100 = 85.14%
Formula
Percentage change = [(972 - 525) / 525] x 100
Subtract the new number by the original number
972 - 525 = 447
447 ÷ 525 = 0.8514285714285714
0.8514285714285714 x 100 = 85.14%