-51.47% is the change from 612 to 297
Calculation steps:
[( 297 - 612 ) ÷ 612] x 100 = -51.47%
Formula
Percentage change = [(297 - 612) / 612] x 100
Subtract the new number by the original number
297 - 612 = -315
-315 ÷ 612 = -0.5147058823529411
-0.5147058823529411 x 100 = -51.47%