-58.62% is the change from 945 to 391
Calculation steps:
[( 391 - 945 ) ÷ 945] x 100 = -58.62%
Formula
Percentage change = [(391 - 945) / 945] x 100
Subtract the new number by the original number
391 - 945 = -554
-554 ÷ 945 = -0.5862433862433862
-0.5862433862433862 x 100 = -58.62%