-37.63% is the change from 837 to 522
Calculation steps:
[( 522 - 837 ) ÷ 837] x 100 = -37.63%
Formula
Percentage change = [(522 - 837) / 837] x 100
Subtract the new number by the original number
522 - 837 = -315
-315 ÷ 837 = -0.3763440860215054
-0.3763440860215054 x 100 = -37.63%