-74.62% is the change from 654 to 166
Calculation steps:
[( 166 - 654 ) ÷ 654] x 100 = -74.62%
Formula
Percentage change = [(166 - 654) / 654] x 100
Subtract the new number by the original number
166 - 654 = -488
-488 ÷ 654 = -0.746177370030581
-0.746177370030581 x 100 = -74.62%