-51.47% is the change from 307 to 149
Calculation steps:
[( 149 - 307 ) ÷ 307] x 100 = -51.47%
Formula
Percentage change = [(149 - 307) / 307] x 100
Subtract the new number by the original number
149 - 307 = -158
-158 ÷ 307 = -0.5146579804560261
-0.5146579804560261 x 100 = -51.47%