-37.2% is the change from 836 to 525
Calculation steps:
[( 525 - 836 ) ÷ 836] x 100 = -37.2%
Formula
Percentage change = [(525 - 836) / 836] x 100
Subtract the new number by the original number
525 - 836 = -311
-311 ÷ 836 = -0.37200956937799046
-0.37200956937799046 x 100 = -37.2%