-64.51% is the change from 972 to 345
Calculation steps:
[( 345 - 972 ) ÷ 972] x 100 = -64.51%
Formula
Percentage change = [(345 - 972) / 972] x 100
Subtract the new number by the original number
345 - 972 = -627
-627 ÷ 972 = -0.6450617283950617
-0.6450617283950617 x 100 = -64.51%