-77.88% is the change from 945 to 209
Calculation steps:
[( 209 - 945 ) ÷ 945] x 100 = -77.88%
Formula
Percentage change = [(209 - 945) / 945] x 100
Subtract the new number by the original number
209 - 945 = -736
-736 ÷ 945 = -0.7788359788359789
-0.7788359788359789 x 100 = -77.88%