-59.88% is the change from 840 to 337
Calculation steps:
[( 337 - 840 ) ÷ 840] x 100 = -59.88%
Formula
Percentage change = [(337 - 840) / 840] x 100
Subtract the new number by the original number
337 - 840 = -503
-503 ÷ 840 = -0.5988095238095238
-0.5988095238095238 x 100 = -59.88%