-45.63% is the change from 938 to 510
Calculation steps:
[( 510 - 938 ) ÷ 938] x 100 = -45.63%
Formula
Percentage change = [(510 - 938) / 938] x 100
Subtract the new number by the original number
510 - 938 = -428
-428 ÷ 938 = -0.4562899786780384
-0.4562899786780384 x 100 = -45.63%