-15.52% is the change from 612 to 517
Calculation steps:
[( 517 - 612 ) ÷ 612] x 100 = -15.52%
Formula
Percentage change = [(517 - 612) / 612] x 100
Subtract the new number by the original number
517 - 612 = -95
-95 ÷ 612 = -0.15522875816993464
-0.15522875816993464 x 100 = -15.52%