-66.78% is the change from 581 to 193
Calculation steps:
[( 193 - 581 ) ÷ 581] x 100 = -66.78%
Formula
Percentage change = [(193 - 581) / 581] x 100
Subtract the new number by the original number
193 - 581 = -388
-388 ÷ 581 = -0.6678141135972461
-0.6678141135972461 x 100 = -66.78%