74.1% is the change from 529 to 921
Calculation steps:
[( 921 - 529 ) ÷ 529] x 100 = 74.1%
Formula
Percentage change = [(921 - 529) / 529] x 100
Subtract the new number by the original number
921 - 529 = 392
392 ÷ 529 = 0.7410207939508506
0.7410207939508506 x 100 = 74.1%