-64.5% is the change from 662 to 235
Calculation steps:
[( 235 - 662 ) ÷ 662] x 100 = -64.5%
Formula
Percentage change = [(235 - 662) / 662] x 100
Subtract the new number by the original number
235 - 662 = -427
-427 ÷ 662 = -0.6450151057401813
-0.6450151057401813 x 100 = -64.5%