-72.98% is the change from 581 to 157
Calculation steps:
[( 157 - 581 ) ÷ 581] x 100 = -72.98%
Formula
Percentage change = [(157 - 581) / 581] x 100
Subtract the new number by the original number
157 - 581 = -424
-424 ÷ 581 = -0.729776247848537
-0.729776247848537 x 100 = -72.98%