-17.67% is the change from 945 to 778
Calculation steps:
[( 778 - 945 ) ÷ 945] x 100 = -17.67%
Formula
Percentage change = [(778 - 945) / 945] x 100
Subtract the new number by the original number
778 - 945 = -167
-167 ÷ 945 = -0.17671957671957672
-0.17671957671957672 x 100 = -17.67%