-59.38% is the change from 192 to 78
Calculation steps:
[( 78 - 192 ) ÷ 192] x 100 = -59.38%
Formula
Percentage change = [(78 - 192) / 192] x 100
Subtract the new number by the original number
78 - 192 = -114
-114 ÷ 192 = -0.59375
-0.59375 x 100 = -59.38%