-77.45% is the change from 581 to 131
Calculation steps:
[( 131 - 581 ) ÷ 581] x 100 = -77.45%
Formula
Percentage change = [(131 - 581) / 581] x 100
Subtract the new number by the original number
131 - 581 = -450
-450 ÷ 581 = -0.774526678141136
-0.774526678141136 x 100 = -77.45%