-67.91% is the change from 215 to 69
Calculation steps:
[( 69 - 215 ) ÷ 215] x 100 = -67.91%
Formula
Percentage change = [(69 - 215) / 215] x 100
Subtract the new number by the original number
69 - 215 = -146
-146 ÷ 215 = -0.6790697674418604
-0.6790697674418604 x 100 = -67.91%