84.09% is the change from 528 to 972
Calculation steps:
[( 972 - 528 ) ÷ 528] x 100 = 84.09%
Formula
Percentage change = [(972 - 528) / 528] x 100
Subtract the new number by the original number
972 - 528 = 444
444 ÷ 528 = 0.8409090909090909
0.8409090909090909 x 100 = 84.09%