-77.01% is the change from 970 to 223
Calculation steps:
[( 223 - 970 ) ÷ 970] x 100 = -77.01%
Formula
Percentage change = [(223 - 970) / 970] x 100
Subtract the new number by the original number
223 - 970 = -747
-747 ÷ 970 = -0.7701030927835052
-0.7701030927835052 x 100 = -77.01%