-65.02% is the change from 972 to 340
Calculation steps:
[( 340 - 972 ) ÷ 972] x 100 = -65.02%
Formula
Percentage change = [(340 - 972) / 972] x 100
Subtract the new number by the original number
340 - 972 = -632
-632 ÷ 972 = -0.6502057613168725
-0.6502057613168725 x 100 = -65.02%