-42.33% is the change from 919 to 530
Calculation steps:
[( 530 - 919 ) ÷ 919] x 100 = -42.33%
Formula
Percentage change = [(530 - 919) / 919] x 100
Subtract the new number by the original number
530 - 919 = -389
-389 ÷ 919 = -0.4232861806311208
-0.4232861806311208 x 100 = -42.33%