-15.34% is the change from 945 to 800
Calculation steps:
[( 800 - 945 ) ÷ 945] x 100 = -15.34%
Formula
Percentage change = [(800 - 945) / 945] x 100
Subtract the new number by the original number
800 - 945 = -145
-145 ÷ 945 = -0.15343915343915343
-0.15343915343915343 x 100 = -15.34%