-67.28% is the change from 972 to 318
Calculation steps:
[( 318 - 972 ) ÷ 972] x 100 = -67.28%
Formula
Percentage change = [(318 - 972) / 972] x 100
Subtract the new number by the original number
318 - 972 = -654
-654 ÷ 972 = -0.6728395061728395
-0.6728395061728395 x 100 = -67.28%