-75.56% is the change from 945 to 231
Calculation steps:
[( 231 - 945 ) ÷ 945] x 100 = -75.56%
Formula
Percentage change = [(231 - 945) / 945] x 100
Subtract the new number by the original number
231 - 945 = -714
-714 ÷ 945 = -0.7555555555555555
-0.7555555555555555 x 100 = -75.56%