-64.71% is the change from 972 to 343
Calculation steps:
[( 343 - 972 ) ÷ 972] x 100 = -64.71%
Formula
Percentage change = [(343 - 972) / 972] x 100
Subtract the new number by the original number
343 - 972 = -629
-629 ÷ 972 = -0.647119341563786
-0.647119341563786 x 100 = -64.71%
Example