-37.71% is the change from 838 to 522
Calculation steps:
[( 522 - 838 ) ÷ 838] x 100 = -37.71%
Formula
Percentage change = [(522 - 838) / 838] x 100
Subtract the new number by the original number
522 - 838 = -316
-316 ÷ 838 = -0.37708830548926014
-0.37708830548926014 x 100 = -37.71%