-66.45% is the change from 307 to 103
Calculation steps:
[( 103 - 307 ) ÷ 307] x 100 = -66.45%
Formula
Percentage change = [(103 - 307) / 307] x 100
Subtract the new number by the original number
103 - 307 = -204
-204 ÷ 307 = -0.6644951140065146
-0.6644951140065146 x 100 = -66.45%