-98.04% is the change from 612 to 12
Calculation steps:
[( 12 - 612 ) ÷ 612] x 100 = -98.04%
Formula
Percentage change = [(12 - 612) / 612] x 100
Subtract the new number by the original number
12 - 612 = -600
-600 ÷ 612 = -0.9803921568627451
-0.9803921568627451 x 100 = -98.04%