-35.13% is the change from 612 to 397
Calculation steps:
[( 397 - 612 ) ÷ 612] x 100 = -35.13%
Formula
Percentage change = [(397 - 612) / 612] x 100
Subtract the new number by the original number
397 - 612 = -215
-215 ÷ 612 = -0.35130718954248363
-0.35130718954248363 x 100 = -35.13%