-60.48% is the change from 210 to 83
Calculation steps:
[( 83 - 210 ) ÷ 210] x 100 = -60.48%
Formula
Percentage change = [(83 - 210) / 210] x 100
Subtract the new number by the original number
83 - 210 = -127
-127 ÷ 210 = -0.6047619047619047
-0.6047619047619047 x 100 = -60.48%