-31.33% is the change from 913 to 627
Calculation steps:
[( 627 - 913 ) ÷ 913] x 100 = -31.33%
Formula
Percentage change = [(627 - 913) / 913] x 100
Subtract the new number by the original number
627 - 913 = -286
-286 ÷ 913 = -0.3132530120481928
-0.3132530120481928 x 100 = -31.33%