-26.62% is the change from 913 to 670
Calculation steps:
[( 670 - 913 ) ÷ 913] x 100 = -26.62%
Formula
Percentage change = [(670 - 913) / 913] x 100
Subtract the new number by the original number
670 - 913 = -243
-243 ÷ 913 = -0.2661555312157722
-0.2661555312157722 x 100 = -26.62%