-66.8% is the change from 970 to 322
Calculation steps:
[( 322 - 970 ) ÷ 970] x 100 = -66.8%
Formula
Percentage change = [(322 - 970) / 970] x 100
Subtract the new number by the original number
322 - 970 = -648
-648 ÷ 970 = -0.668041237113402
-0.668041237113402 x 100 = -66.8%