-98.02% is the change from 959 to 19
Calculation steps:
[( 19 - 959 ) ÷ 959] x 100 = -98.02%
Formula
Percentage change = [(19 - 959) / 959] x 100
Subtract the new number by the original number
19 - 959 = -940
-940 ÷ 959 = -0.9801876955161627
-0.9801876955161627 x 100 = -98.02%