-56.74% is the change from 215 to 93
Calculation steps:
[( 93 - 215 ) ÷ 215] x 100 = -56.74%
Formula
Percentage change = [(93 - 215) / 215] x 100
Subtract the new number by the original number
93 - 215 = -122
-122 ÷ 215 = -0.5674418604651162
-0.5674418604651162 x 100 = -56.74%