-83.99% is the change from 756 to 121
Calculation steps:
[( 121 - 756 ) ÷ 756] x 100 = -83.99%
Formula
Percentage change = [(121 - 756) / 756] x 100
Subtract the new number by the original number
121 - 756 = -635
-635 ÷ 756 = -0.83994708994709
-0.83994708994709 x 100 = -83.99%