-33.2% is the change from 756 to 505
Calculation steps:
[( 505 - 756 ) ÷ 756] x 100 = -33.2%
Formula
Percentage change = [(505 - 756) / 756] x 100
Subtract the new number by the original number
505 - 756 = -251
-251 ÷ 756 = -0.33201058201058203
-0.33201058201058203 x 100 = -33.2%