-35.18% is the change from 307 to 199
Calculation steps:
[( 199 - 307 ) ÷ 307] x 100 = -35.18%
Formula
Percentage change = [(199 - 307) / 307] x 100
Subtract the new number by the original number
199 - 307 = -108
-108 ÷ 307 = -0.3517915309446254
-0.3517915309446254 x 100 = -35.18%