-75.35% is the change from 215 to 53
Calculation steps:
[( 53 - 215 ) ÷ 215] x 100 = -75.35%
Formula
Percentage change = [(53 - 215) / 215] x 100
Subtract the new number by the original number
53 - 215 = -162
-162 ÷ 215 = -0.7534883720930232
-0.7534883720930232 x 100 = -75.35%