-85.38% is the change from 506 to 74
Calculation steps:
[( 74 - 506 ) ÷ 506] x 100 = -85.38%
Formula
Percentage change = [(74 - 506) / 506] x 100
Subtract the new number by the original number
74 - 506 = -432
-432 ÷ 506 = -0.8537549407114624
-0.8537549407114624 x 100 = -85.38%