-97.67% is the change from 215 to 5
Calculation steps:
[( 5 - 215 ) ÷ 215] x 100 = -97.67%
Formula
Percentage change = [(5 - 215) / 215] x 100
Subtract the new number by the original number
5 - 215 = -210
-210 ÷ 215 = -0.9767441860465116
-0.9767441860465116 x 100 = -97.67%