-2.54% is the change from 197 to 192
Calculation steps:
[( 192 - 197 ) ÷ 197] x 100 = -2.54%
Formula
Percentage change = [(192 - 197) / 197] x 100
Subtract the new number by the original number
192 - 197 = -5
-5 ÷ 197 = -0.025380710659898477
-0.025380710659898477 x 100 = -2.54%