-31.03% is the change from 841 to 580
Calculation steps:
[( 580 - 841 ) ÷ 841] x 100 = -31.03%
Formula
Percentage change = [(580 - 841) / 841] x 100
Subtract the new number by the original number
580 - 841 = -261
-261 ÷ 841 = -0.3103448275862069
-0.3103448275862069 x 100 = -31.03%