-37.24% is the change from 827 to 519
Calculation steps:
[( 519 - 827 ) ÷ 827] x 100 = -37.24%
Formula
Percentage change = [(519 - 827) / 827] x 100
Subtract the new number by the original number
519 - 827 = -308
-308 ÷ 827 = -0.3724304715840387
-0.3724304715840387 x 100 = -37.24%