-24.89% is the change from 675 to 507
Calculation steps:
[( 507 - 675 ) ÷ 675] x 100 = -24.89%
Formula
Percentage change = [(507 - 675) / 675] x 100
Subtract the new number by the original number
507 - 675 = -168
-168 ÷ 675 = -0.24888888888888888
-0.24888888888888888 x 100 = -24.89%