-77.9% is the change from 561 to 124
Calculation steps:
[( 124 - 561 ) ÷ 561] x 100 = -77.9%
Formula
Percentage change = [(124 - 561) / 561] x 100
Subtract the new number by the original number
124 - 561 = -437
-437 ÷ 561 = -0.7789661319073083
-0.7789661319073083 x 100 = -77.9%