-23.41% is the change from 662 to 507
Calculation steps:
[( 507 - 662 ) ÷ 662] x 100 = -23.41%
Formula
Percentage change = [(507 - 662) / 662] x 100
Subtract the new number by the original number
507 - 662 = -155
-155 ÷ 662 = -0.23413897280966767
-0.23413897280966767 x 100 = -23.41%