12.1% is the change from 471 to 528
Calculation steps:
[( 528 - 471 ) ÷ 471] x 100 = 12.1%
Formula
Percentage change = [(528 - 471) / 471] x 100
Subtract the new number by the original number
528 - 471 = 57
57 ÷ 471 = 0.12101910828025478
0.12101910828025478 x 100 = 12.1%