-30.8% is the change from 737 to 510
Calculation steps:
[( 510 - 737 ) ÷ 737] x 100 = -30.8%
Formula
Percentage change = [(510 - 737) / 737] x 100
Subtract the new number by the original number
510 - 737 = -227
-227 ÷ 737 = -0.30800542740841247
-0.30800542740841247 x 100 = -30.8%