-81.1% is the change from 767 to 145
Calculation steps:
[( 145 - 767 ) ÷ 767] x 100 = -81.1%
Formula
Percentage change = [(145 - 767) / 767] x 100
Subtract the new number by the original number
145 - 767 = -622
-622 ÷ 767 = -0.8109517601043025
-0.8109517601043025 x 100 = -81.1%