-37.43% is the change from 839 to 525
Calculation steps:
[( 525 - 839 ) ÷ 839] x 100 = -37.43%
Formula
Percentage change = [(525 - 839) / 839] x 100
Subtract the new number by the original number
525 - 839 = -314
-314 ÷ 839 = -0.3742550655542312
-0.3742550655542312 x 100 = -37.43%