-58.64% is the change from 856 to 354
Calculation steps:
[( 354 - 856 ) ÷ 856] x 100 = -58.64%
Formula
Percentage change = [(354 - 856) / 856] x 100
Subtract the new number by the original number
354 - 856 = -502
-502 ÷ 856 = -0.5864485981308412
-0.5864485981308412 x 100 = -58.64%