-23.38% is the change from 800 to 613
Calculation steps:
[( 613 - 800 ) ÷ 800] x 100 = -23.38%
Formula
Percentage change = [(613 - 800) / 800] x 100
Subtract the new number by the original number
613 - 800 = -187
-187 ÷ 800 = -0.23375
-0.23375 x 100 = -23.38%