-77.53% is the change from 970 to 218
Calculation steps:
[( 218 - 970 ) ÷ 970] x 100 = -77.53%
Formula
Percentage change = [(218 - 970) / 970] x 100
Subtract the new number by the original number
218 - 970 = -752
-752 ÷ 970 = -0.7752577319587629
-0.7752577319587629 x 100 = -77.53%