-65.12% is the change from 972 to 339
Calculation steps:
[( 339 - 972 ) ÷ 972] x 100 = -65.12%
Formula
Percentage change = [(339 - 972) / 972] x 100
Subtract the new number by the original number
339 - 972 = -633
-633 ÷ 972 = -0.6512345679012346
-0.6512345679012346 x 100 = -65.12%