-70.04% is the change from 554 to 166
Calculation steps:
[( 166 - 554 ) ÷ 554] x 100 = -70.04%
Formula
Percentage change = [(166 - 554) / 554] x 100
Subtract the new number by the original number
166 - 554 = -388
-388 ÷ 554 = -0.7003610108303249
-0.7003610108303249 x 100 = -70.04%