-71.48% is the change from 291 to 83
Calculation steps:
[( 83 - 291 ) ÷ 291] x 100 = -71.48%
Formula
Percentage change = [(83 - 291) / 291] x 100
Subtract the new number by the original number
83 - 291 = -208
-208 ÷ 291 = -0.7147766323024055
-0.7147766323024055 x 100 = -71.48%