-86.5% is the change from 548 to 74
Calculation steps:
[( 74 - 548 ) ÷ 548] x 100 = -86.5%
Formula
Percentage change = [(74 - 548) / 548] x 100
Subtract the new number by the original number
74 - 548 = -474
-474 ÷ 548 = -0.864963503649635
-0.864963503649635 x 100 = -86.5%