68.81% is the change from 513 to 866
Calculation steps:
[( 866 - 513 ) ÷ 513] x 100 = 68.81%
Formula
Percentage change = [(866 - 513) / 513] x 100
Subtract the new number by the original number
866 - 513 = 353
353 ÷ 513 = 0.6881091617933723
0.6881091617933723 x 100 = 68.81%