-72.52% is the change from 604 to 166
Calculation steps:
[( 166 - 604 ) ÷ 604] x 100 = -72.52%
Formula
Percentage change = [(166 - 604) / 604] x 100
Subtract the new number by the original number
166 - 604 = -438
-438 ÷ 604 = -0.7251655629139073
-0.7251655629139073 x 100 = -72.52%