-97.67% is the change from 557 to 13
Calculation steps:
[( 13 - 557 ) ÷ 557] x 100 = -97.67%
Formula
Percentage change = [(13 - 557) / 557] x 100
Subtract the new number by the original number
13 - 557 = -544
-544 ÷ 557 = -0.9766606822262118
-0.9766606822262118 x 100 = -97.67%