-83.9% is the change from 118 to 19
Calculation steps:
[( 19 - 118 ) ÷ 118] x 100 = -83.9%
Formula
Percentage change = [(19 - 118) / 118] x 100
Subtract the new number by the original number
19 - 118 = -99
-99 ÷ 118 = -0.8389830508474576
-0.8389830508474576 x 100 = -83.9%