-73.26% is the change from 561 to 150
Calculation steps:
[( 150 - 561 ) ÷ 561] x 100 = -73.26%
Formula
Percentage change = [(150 - 561) / 561] x 100
Subtract the new number by the original number
150 - 561 = -411
-411 ÷ 561 = -0.732620320855615
-0.732620320855615 x 100 = -73.26%