-85.58% is the change from 513 to 74
Calculation steps:
[( 74 - 513 ) ÷ 513] x 100 = -85.58%
Formula
Percentage change = [(74 - 513) / 513] x 100
Subtract the new number by the original number
74 - 513 = -439
-439 ÷ 513 = -0.8557504873294347
-0.8557504873294347 x 100 = -85.58%