-30.26% is the change from 727 to 507
Calculation steps:
[( 507 - 727 ) ÷ 727] x 100 = -30.26%
Formula
Percentage change = [(507 - 727) / 727] x 100
Subtract the new number by the original number
507 - 727 = -220
-220 ÷ 727 = -0.30261348005502064
-0.30261348005502064 x 100 = -30.26%