-64.74% is the change from 970 to 342
Calculation steps:
[( 342 - 970 ) ÷ 970] x 100 = -64.74%
Formula
Percentage change = [(342 - 970) / 970] x 100
Subtract the new number by the original number
342 - 970 = -628
-628 ÷ 970 = -0.6474226804123712
-0.6474226804123712 x 100 = -64.74%