-99.07% is the change from 215 to 2
Calculation steps:
[( 2 - 215 ) ÷ 215] x 100 = -99.07%
Formula
Percentage change = [(2 - 215) / 215] x 100
Subtract the new number by the original number
2 - 215 = -213
-213 ÷ 215 = -0.9906976744186047
-0.9906976744186047 x 100 = -99.07%