-33.08% is the change from 913 to 611
Calculation steps:
[( 611 - 913 ) ÷ 913] x 100 = -33.08%
Formula
Percentage change = [(611 - 913) / 913] x 100
Subtract the new number by the original number
611 - 913 = -302
-302 ÷ 913 = -0.3307776560788609
-0.3307776560788609 x 100 = -33.08%