943.94% is the change from 66 to 689
Calculation steps:
[( 689 - 66 ) ÷ 66] x 100 = 943.94%
Formula
Percentage change = [(689 - 66) / 66] x 100
Subtract the new number by the original number
689 - 66 = 623
623 ÷ 66 = 9.43939393939394
9.43939393939394 x 100 = 943.94%