-37.42% is the change from 310 to 194
Calculation steps:
[( 194 - 310 ) ÷ 310] x 100 = -37.42%
Formula
Percentage change = [(194 - 310) / 310] x 100
Subtract the new number by the original number
194 - 310 = -116
-116 ÷ 310 = -0.3741935483870968
-0.3741935483870968 x 100 = -37.42%