-81.1% is the change from 545 to 103
Calculation steps:
[( 103 - 545 ) ÷ 545] x 100 = -81.1%
Formula
Percentage change = [(103 - 545) / 545] x 100
Subtract the new number by the original number
103 - 545 = -442
-442 ÷ 545 = -0.8110091743119267
-0.8110091743119267 x 100 = -81.1%