-70.37% is the change from 945 to 280
Calculation steps:
[( 280 - 945 ) ÷ 945] x 100 = -70.37%
Formula
Percentage change = [(280 - 945) / 945] x 100
Subtract the new number by the original number
280 - 945 = -665
-665 ÷ 945 = -0.7037037037037037
-0.7037037037037037 x 100 = -70.37%