-63.76% is the change from 229 to 83
Calculation steps:
[( 83 - 229 ) ÷ 229] x 100 = -63.76%
Formula
Percentage change = [(83 - 229) / 229] x 100
Subtract the new number by the original number
83 - 229 = -146
-146 ÷ 229 = -0.6375545851528385
-0.6375545851528385 x 100 = -63.76%