-98.2% is the change from 557 to 10
Calculation steps:
[( 10 - 557 ) ÷ 557] x 100 = -98.2%
Formula
Percentage change = [(10 - 557) / 557] x 100
Subtract the new number by the original number
10 - 557 = -547
-547 ÷ 557 = -0.9820466786355476
-0.9820466786355476 x 100 = -98.2%