-97% is the change from 233 to 7
Calculation steps:
[( 7 - 233 ) ÷ 233] x 100 = -97%
Formula
Percentage change = [(7 - 233) / 233] x 100
Subtract the new number by the original number
7 - 233 = -226
-226 ÷ 233 = -0.9699570815450643
-0.9699570815450643 x 100 = -97%