-84.74% is the change from 970 to 148
Calculation steps:
[( 148 - 970 ) ÷ 970] x 100 = -84.74%
Formula
Percentage change = [(148 - 970) / 970] x 100
Subtract the new number by the original number
148 - 970 = -822
-822 ÷ 970 = -0.8474226804123711
-0.8474226804123711 x 100 = -84.74%