-59.9% is the change from 197 to 79
Calculation steps:
[( 79 - 197 ) ÷ 197] x 100 = -59.9%
Formula
Percentage change = [(79 - 197) / 197] x 100
Subtract the new number by the original number
79 - 197 = -118
-118 ÷ 197 = -0.5989847715736041
-0.5989847715736041 x 100 = -59.9%