-71.76% is the change from 517 to 146
Calculation steps:
[( 146 - 517 ) ÷ 517] x 100 = -71.76%
Formula
Percentage change = [(146 - 517) / 517] x 100
Subtract the new number by the original number
146 - 517 = -371
-371 ÷ 517 = -0.7176015473887815
-0.7176015473887815 x 100 = -71.76%