60.46% is the change from 521 to 836
Calculation steps:
[( 836 - 521 ) ÷ 521] x 100 = 60.46%
Formula
Percentage change = [(836 - 521) / 521] x 100
Subtract the new number by the original number
836 - 521 = 315
315 ÷ 521 = 0.6046065259117083
0.6046065259117083 x 100 = 60.46%