-71.33% is the change from 837 to 240
Calculation steps:
[( 240 - 837 ) ÷ 837] x 100 = -71.33%
Formula
Percentage change = [(240 - 837) / 837] x 100
Subtract the new number by the original number
240 - 837 = -597
-597 ÷ 837 = -0.7132616487455197
-0.7132616487455197 x 100 = -71.33%