-57.06% is the change from 913 to 392
Calculation steps:
[( 392 - 913 ) ÷ 913] x 100 = -57.06%
Formula
Percentage change = [(392 - 913) / 913] x 100
Subtract the new number by the original number
392 - 913 = -521
-521 ÷ 913 = -0.5706462212486308
-0.5706462212486308 x 100 = -57.06%