-70.79% is the change from 945 to 276
Calculation steps:
[( 276 - 945 ) ÷ 945] x 100 = -70.79%
Formula
Percentage change = [(276 - 945) / 945] x 100
Subtract the new number by the original number
276 - 945 = -669
-669 ÷ 945 = -0.707936507936508
-0.707936507936508 x 100 = -70.79%