-71.11% is the change from 945 to 273
Calculation steps:
[( 273 - 945 ) ÷ 945] x 100 = -71.11%
Formula
Percentage change = [(273 - 945) / 945] x 100
Subtract the new number by the original number
273 - 945 = -672
-672 ÷ 945 = -0.7111111111111111
-0.7111111111111111 x 100 = -71.11%