-96.53% is the change from 547 to 19
Calculation steps:
[( 19 - 547 ) ÷ 547] x 100 = -96.53%
Formula
Percentage change = [(19 - 547) / 547] x 100
Subtract the new number by the original number
19 - 547 = -528
-528 ÷ 547 = -0.9652650822669104
-0.9652650822669104 x 100 = -96.53%