-97.05% is the change from 237 to 7
Calculation steps:
[( 7 - 237 ) ÷ 237] x 100 = -97.05%
Formula
Percentage change = [(7 - 237) / 237] x 100
Subtract the new number by the original number
7 - 237 = -230
-230 ÷ 237 = -0.9704641350210971
-0.9704641350210971 x 100 = -97.05%