66.86% is the change from 513 to 856
Calculation steps:
[( 856 - 513 ) ÷ 513] x 100 = 66.86%
Formula
Percentage change = [(856 - 513) / 513] x 100
Subtract the new number by the original number
856 - 513 = 343
343 ÷ 513 = 0.6686159844054581
0.6686159844054581 x 100 = 66.86%