-97.62% is the change from 547 to 13
Calculation steps:
[( 13 - 547 ) ÷ 547] x 100 = -97.62%
Formula
Percentage change = [(13 - 547) / 547] x 100
Subtract the new number by the original number
13 - 547 = -534
-534 ÷ 547 = -0.9762340036563071
-0.9762340036563071 x 100 = -97.62%