0.19% is the change from 521 to 522
Calculation steps:
[( 522 - 521 ) ÷ 521] x 100 = 0.19%
Formula
Percentage change = [(522 - 521) / 521] x 100
Subtract the new number by the original number
522 - 521 = 1
1 ÷ 521 = 0.0019193857965451055
0.0019193857965451055 x 100 = 0.19%