-61.03% is the change from 213 to 83
Calculation steps:
[( 83 - 213 ) ÷ 213] x 100 = -61.03%
Formula
Percentage change = [(83 - 213) / 213] x 100
Subtract the new number by the original number
83 - 213 = -130
-130 ÷ 213 = -0.6103286384976526
-0.6103286384976526 x 100 = -61.03%