-69.71% is the change from 548 to 166
Calculation steps:
[( 166 - 548 ) ÷ 548] x 100 = -69.71%
Formula
Percentage change = [(166 - 548) / 548] x 100
Subtract the new number by the original number
166 - 548 = -382
-382 ÷ 548 = -0.6970802919708029
-0.6970802919708029 x 100 = -69.71%