-41.47% is the change from 856 to 501
Calculation steps:
[( 501 - 856 ) ÷ 856] x 100 = -41.47%
Formula
Percentage change = [(501 - 856) / 856] x 100
Subtract the new number by the original number
501 - 856 = -355
-355 ÷ 856 = -0.4147196261682243
-0.4147196261682243 x 100 = -41.47%