-85.63% is the change from 515 to 74
Calculation steps:
[( 74 - 515 ) ÷ 515] x 100 = -85.63%
Formula
Percentage change = [(74 - 515) / 515] x 100
Subtract the new number by the original number
74 - 515 = -441
-441 ÷ 515 = -0.8563106796116505
-0.8563106796116505 x 100 = -85.63%