-22.78% is the change from 654 to 505
Calculation steps:
[( 505 - 654 ) ÷ 654] x 100 = -22.78%
Formula
Percentage change = [(505 - 654) / 654] x 100
Subtract the new number by the original number
505 - 654 = -149
-149 ÷ 654 = -0.22782874617737003
-0.22782874617737003 x 100 = -22.78%