-88.2% is the change from 517 to 61
Calculation steps:
[( 61 - 517 ) ÷ 517] x 100 = -88.2%
Formula
Percentage change = [(61 - 517) / 517] x 100
Subtract the new number by the original number
61 - 517 = -456
-456 ÷ 517 = -0.8820116054158608
-0.8820116054158608 x 100 = -88.2%