-28.29% is the change from 707 to 507
Calculation steps:
[( 507 - 707 ) ÷ 707] x 100 = -28.29%
Formula
Percentage change = [(507 - 707) / 707] x 100
Subtract the new number by the original number
507 - 707 = -200
-200 ÷ 707 = -0.2828854314002829
-0.2828854314002829 x 100 = -28.29%