-47.89% is the change from 973 to 507
Calculation steps:
[( 507 - 973 ) ÷ 973] x 100 = -47.89%
Formula
Percentage change = [(507 - 973) / 973] x 100
Subtract the new number by the original number
507 - 973 = -466
-466 ÷ 973 = -0.4789311408016444
-0.4789311408016444 x 100 = -47.89%