-98.18% is the change from 548 to 10
Calculation steps:
[( 10 - 548 ) ÷ 548] x 100 = -98.18%
Formula
Percentage change = [(10 - 548) / 548] x 100
Subtract the new number by the original number
10 - 548 = -538
-538 ÷ 548 = -0.9817518248175182
-0.9817518248175182 x 100 = -98.18%