-31.22% is the change from 913 to 628
Calculation steps:
[( 628 - 913 ) ÷ 913] x 100 = -31.22%
Formula
Percentage change = [(628 - 913) / 913] x 100
Subtract the new number by the original number
628 - 913 = -285
-285 ÷ 913 = -0.312157721796276
-0.312157721796276 x 100 = -31.22%