-91.38% is the change from 545 to 47
Calculation steps:
[( 47 - 545 ) ÷ 545] x 100 = -91.38%
Formula
Percentage change = [(47 - 545) / 545] x 100
Subtract the new number by the original number
47 - 545 = -498
-498 ÷ 545 = -0.9137614678899083
-0.9137614678899083 x 100 = -91.38%