70.86% is the change from 501 to 856
Calculation steps:
[( 856 - 501 ) ÷ 501] x 100 = 70.86%
Formula
Percentage change = [(856 - 501) / 501] x 100
Subtract the new number by the original number
856 - 501 = 355
355 ÷ 501 = 0.7085828343313373
0.7085828343313373 x 100 = 70.86%