-34.33% is the change from 766 to 503
Calculation steps:
[( 503 - 766 ) ÷ 766] x 100 = -34.33%
Formula
Percentage change = [(503 - 766) / 766] x 100
Subtract the new number by the original number
503 - 766 = -263
-263 ÷ 766 = -0.3433420365535248
-0.3433420365535248 x 100 = -34.33%