-70.94% is the change from 561 to 163
Calculation steps:
[( 163 - 561 ) ÷ 561] x 100 = -70.94%
Formula
Percentage change = [(163 - 561) / 561] x 100
Subtract the new number by the original number
163 - 561 = -398
-398 ÷ 561 = -0.7094474153297683
-0.7094474153297683 x 100 = -70.94%