-77.25% is the change from 545 to 124
Calculation steps:
[( 124 - 545 ) ÷ 545] x 100 = -77.25%
Formula
Percentage change = [(124 - 545) / 545] x 100
Subtract the new number by the original number
124 - 545 = -421
-421 ÷ 545 = -0.7724770642201835
-0.7724770642201835 x 100 = -77.25%