-91.92% is the change from 557 to 45
Calculation steps:
[( 45 - 557 ) ÷ 557] x 100 = -91.92%
Formula
Percentage change = [(45 - 557) / 557] x 100
Subtract the new number by the original number
45 - 557 = -512
-512 ÷ 557 = -0.9192100538599641
-0.9192100538599641 x 100 = -91.92%