-31.73% is the change from 747 to 510
Calculation steps:
[( 510 - 747 ) ÷ 747] x 100 = -31.73%
Formula
Percentage change = [(510 - 747) / 747] x 100
Subtract the new number by the original number
510 - 747 = -237
-237 ÷ 747 = -0.3172690763052209
-0.3172690763052209 x 100 = -31.73%