83.74% is the change from 529 to 972
Calculation steps:
[( 972 - 529 ) ÷ 529] x 100 = 83.74%
Formula
Percentage change = [(972 - 529) / 529] x 100
Subtract the new number by the original number
972 - 529 = 443
443 ÷ 529 = 0.8374291115311909
0.8374291115311909 x 100 = 83.74%