-78.97% is the change from 970 to 204
Calculation steps:
[( 204 - 970 ) ÷ 970] x 100 = -78.97%
Formula
Percentage change = [(204 - 970) / 970] x 100
Subtract the new number by the original number
204 - 970 = -766
-766 ÷ 970 = -0.7896907216494845
-0.7896907216494845 x 100 = -78.97%