-23.39% is the change from 654 to 501
Calculation steps:
[( 501 - 654 ) ÷ 654] x 100 = -23.39%
Formula
Percentage change = [(501 - 654) / 654] x 100
Subtract the new number by the original number
501 - 654 = -153
-153 ÷ 654 = -0.23394495412844038
-0.23394495412844038 x 100 = -23.39%