-47.8% is the change from 933 to 487
Calculation steps:
[( 487 - 933 ) ÷ 933] x 100 = -47.8%
Formula
Percentage change = [(487 - 933) / 933] x 100
Subtract the new number by the original number
487 - 933 = -446
-446 ÷ 933 = -0.4780278670953912
-0.4780278670953912 x 100 = -47.8%