-6.02% is the change from 83 to 78
Calculation steps:
[( 78 - 83 ) ÷ 83] x 100 = -6.02%
Formula
Percentage change = [(78 - 83) / 83] x 100
Subtract the new number by the original number
78 - 83 = -5
-5 ÷ 83 = -0.060240963855421686
-0.060240963855421686 x 100 = -6.02%