-26.64% is the change from 548 to 402
Calculation steps:
[( 402 - 548 ) ÷ 548] x 100 = -26.64%
Formula
Percentage change = [(402 - 548) / 548] x 100
Subtract the new number by the original number
402 - 548 = -146
-146 ÷ 548 = -0.2664233576642336
-0.2664233576642336 x 100 = -26.64%