-32.94% is the change from 756 to 507
Calculation steps:
[( 507 - 756 ) ÷ 756] x 100 = -32.94%
Formula
Percentage change = [(507 - 756) / 756] x 100
Subtract the new number by the original number
507 - 756 = -249
-249 ÷ 756 = -0.32936507936507936
-0.32936507936507936 x 100 = -32.94%