-42.21% is the change from 943 to 545
Calculation steps:
[( 545 - 943 ) ÷ 943] x 100 = -42.21%
Formula
Percentage change = [(545 - 943) / 943] x 100
Subtract the new number by the original number
545 - 943 = -398
-398 ÷ 943 = -0.4220572640509014
-0.4220572640509014 x 100 = -42.21%