-56.61% is the change from 613 to 266
Calculation steps:
[( 266 - 613 ) ÷ 613] x 100 = -56.61%
Formula
Percentage change = [(266 - 613) / 613] x 100
Subtract the new number by the original number
266 - 613 = -347
-347 ÷ 613 = -0.566068515497553
-0.566068515497553 x 100 = -56.61%