-91.56% is the change from 545 to 46
Calculation steps:
[( 46 - 545 ) ÷ 545] x 100 = -91.56%
Formula
Percentage change = [(46 - 545) / 545] x 100
Subtract the new number by the original number
46 - 545 = -499
-499 ÷ 545 = -0.9155963302752294
-0.9155963302752294 x 100 = -91.56%