-22.48% is the change from 654 to 507
Calculation steps:
[( 507 - 654 ) ÷ 654] x 100 = -22.48%
Formula
Percentage change = [(507 - 654) / 654] x 100
Subtract the new number by the original number
507 - 654 = -147
-147 ÷ 654 = -0.22477064220183487
-0.22477064220183487 x 100 = -22.48%