-32.85% is the change from 755 to 507
Calculation steps:
[( 507 - 755 ) ÷ 755] x 100 = -32.85%
Formula
Percentage change = [(507 - 755) / 755] x 100
Subtract the new number by the original number
507 - 755 = -248
-248 ÷ 755 = -0.32847682119205296
-0.32847682119205296 x 100 = -32.85%