-91.38% is the change from 963 to 83
Calculation steps:
[( 83 - 963 ) ÷ 963] x 100 = -91.38%
Formula
Percentage change = [(83 - 963) / 963] x 100
Subtract the new number by the original number
83 - 963 = -880
-880 ÷ 963 = -0.9138110072689511
-0.9138110072689511 x 100 = -91.38%