-29.7% is the change from 953 to 670
Calculation steps:
[( 670 - 953 ) ÷ 953] x 100 = -29.7%
Formula
Percentage change = [(670 - 953) / 953] x 100
Subtract the new number by the original number
670 - 953 = -283
-283 ÷ 953 = -0.2969569779643232
-0.2969569779643232 x 100 = -29.7%